1. ‘Red Ribbon Express’ is a visual and moving medium for –
(a) Awareness about AIDS
(b) Awareness about Pulse Polio
(c) Programme for Protecting Girl Child
(d) Programme for protecting all the children from malnutrition
[U.P.P.C.S. (Mains) 2010]
Ans. (a)
- The Red Ribbon Express is a way to show people information about how HIV/AIDS is spread, how it can be prevented, and how dangerous it can be.
|
2. ‘SANRAKSHA’ is –
(a) Malaria Research and Control Project (Bengaluru)
(b) AIDS Research and Control Project (Bengaluru)
(c) T.B. Research and Control Project (New Delhi)
(d) None of these
[U.P.P.C.S. (Mains) 2014]
Ans. (b) AIDS Research and Control Project (Bengaluru)
- Sanraksha, an AIDS program based in Bengaluru, began in 1993 as an HIV counseling service.
- Now, it provides a range of services, from HIV testing to end-of-life care.
|
3. ‘AVAHAN’ the Indian segment of ‘The Bill and Melinda Gates Foundation’, is engaged in the prevention of-
(a) Dengue
(b) Polio
(c) HIV/AIDS
(d) Filariasis
[53rd to 55th B.P.S.C. (Pre) 2011]
Ans. (c) HIV/AIDS
- Avahan is a program funded by the Bill & Melinda Gates Foundation to stop the growth of HIV in India. It started in 2003.
|
4. NACO is an organization dealing with :
(a) Cancer
(b) Child Healthcare
(c) AIDS
(d) None of these
[U.P.P.C.S. (Mains) 2006]
Ans. (c) AIDS
- NACO was set up in 1992 by India’s Ministry of Health and Family Welfare.
- It helps to manage the HIV/AIDS control program in India through 35 societies.
- NACO is the main organization responsible for creating policies and carrying out programs to prevent and control HIV/AIDS in India.
|
5. ‘Mission Indradhanush’ of the Union Government is related to –
(a) Pulse production
(b) Immunization of children against seven vaccine-preventable diseases
(c) Skill development
(d) Tourism promotion
[U.P.R.O./A.R.O. (Pre) 2014]
Ans. (b) Immunization of children against seven vaccine-preventable diseases
- Mission Indradhanush was started by the Indian government’s Ministry of Health and Family Welfare on December 25, 2014.
- The goal of the mission is to make sure that all children under two years old and pregnant women are vaccinated against seven diseases that can be prevented by vaccines.
- The mission uses the colors of the rainbow to represent the seven vaccines, which are Diphtheria, Pertussis, Tetanus, Tuberculosis, Polio, Hepatitis-B, and Measles.
|
6. The mission ‘Indradhanush’ launched by the Government of India is in connection with :
(a) Education of children
(b) Immunization of children
(c) Social upliftment
(d) None of the above
[U.P.P.S.C. (GIC) 2017]
Ans. (b) Immunization of children
- The Indian Ministry of Health and Family Welfare launched Mission Indradhanush on 25th December 2014.
- The goal of this mission is to make sure every child under two years old and pregnant woman is vaccinated against seven diseases.
- These diseases are Diphtheria, Pertussis, Tetanus, Tuberculosis, Polio, Hepatitis-B and Measles.
- The name Mission Indradhanush comes from the colors of the rainbow, representing the seven vaccines.
|
7. Mission Indradhanush Campaign in India is associated with –
(a) Nutrition for pregnant women
(b) Awareness of diabetes
(c) Eradication of blindness
(d) Vaccination of children
[U.P.P.C.S. (Mains) 2015]
Ans. (d) Vaccination of children
- The Indian Government’s Ministry of Health and Family Welfare launched a program called Mission Indradhanush on December 25, 2014.
- The purpose of this mission is to make sure that children under two years old and pregnant women get immunized against seven vaccine-preventable diseases: diphtheria, pertussis, tetanus, tuberculosis, polio, hepatitis B, and measles.
- The name Mission Indradhanush comes from the seven colors of the rainbow, representing the seven vaccines.
|
8. Match List-I with List-II and select the correct answer using the codes given below the lists :
| List-I |
List-II |
| (Programme) |
(Launch Year) |
| A. National Programme for Control of Blindness |
1. 1975 |
| B. Integrated Child Development Scheme |
2. 1976 |
| C. National Leprosy Eradication Programme |
3. 2005 |
| D. National Rural Health Mission |
4. 1983 |
Codes :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
2 |
4 |
1 |
3 |
| (c) |
2 |
1 |
4 |
3 |
| (d) |
4 |
3 |
2 |
1 |
[U.P.P.C.S. (Pre) 2019]
Ans. (c) 2143
| The correct match of List-I with List-II is as follows : |
| Programme |
Launch Year |
| A. National Programme for Control of Blindness |
2. 1976 |
| B. Integrated Child Development Scheme |
1. 1975 |
| C. National Leprosy Eradication Programme |
4. 1983 |
| D. National Rural Health Mission |
3. 2005 |
|
9. National Family Health Survey (NFHS)-5 does not include
(a) High Blood Pressure
(b) Diabetes
(c) HIV Test
(d) Registration of death
[U.P.P.C.S. (Pre) 2019]
Ans. (c) HIV Test
- The NFHS-5 survey does not include an HIV test.
- It does include information about pre-school education, deaths that have been registered, and the amount of people with diseases such as high blood pressure and diabetes.
|
10. Cholesterol is a –
(a) Type of chlorophyll
(b) Derivative of chloroform
(c) Fatty alcohol found in animal fat
(d) Chromium salt
[Uttarakhand P.C.S. (Pre) 2006]
Ans. (c) Fatty alcohol found in animal fat
- Fatty alcohols are large molecules made of alcohols that come from fats and oils.
- They are clear, have no scent, and look like crystals. They are linked to heart disease. Sterols are a part of steroids which can be found in plants, animals, and fungi.
- Cholesterol is an example of a sterol from animals. Eating fatty acids in our food daily can cause cholesterol levels to rise in our blood cells.
- These cells can get stuck in the walls of our blood vessels, which can make them become narrow and blocked, leading to atherosclerotic plaque.
|
11. Cholesterol is –
(a) An insecticide
(b) A vitamin
(c) A steroid
(d) An enzyme
[U.P.P.C.S. (Pre) 2005]
Ans. (c) A steroid
- Fatty alcohols are usually large molecules made of straight chains that are a type of alcohol sourced from fats and oils.
- They are colorless and odourless and can lead to heart disease.
- Sterols, which are a type of steroid alcohol, are found naturally in plants, animals, and fungi, with the most common type being cholesterol.
- Eating fatty acids as part of your diet can cause cholesterol levels in your blood to rise.
- These ‘foam cells’ can get stuck in the walls of your arteries, making them narrower and blocked, which leads to atherosclerotic plaque.
|
12. Abnormal level of cholesterol is related to –
(a) Arteries blockage
(b) Veins blockage
(c) Kidney stone formation
(d) Liver cirrhosis
[Uttarakhand P.C.S. (Pre) 2010]
Ans. (a) Arteries blockage
- Fatty alcohols are generally high molecular weight alcohols originating from oil and fat.
- They are clear, odorless and look like white crystals and can lead to heart problems.
- Sterols, also known as steroid alcohols, are types of steroids found in plants, animals, and fungi, with the most common type being cholesterol.
- Eating fatty acids daily in our food increases cholesterol levels in the blood.
- These cells often get stuck in the walls of blood vessels and lead to the creation of atherosclerotic plaque.
|
13. Doctors recommend that we should cook our food in oil rather than in vanaspati ghee because –
(a) Oil contains unsaturated fats
(b) Oil contains saturated fats
(c) Oil is easier to store
(d) Oil is cheaper
[Uttarakhand P.C.S. (Pre) 2006]
Ans. (a) Oil contains unsaturated fats
- Unsaturated fats, such as polyunsaturated and monounsaturated fats, which are found in fish, plant oils, seeds, and nuts, are considered to be good for your heart.
- Eating these types of fats has been linked to lower cholesterol levels and a reduced risk of cardiovascular disease.
- However, it is still important to consume them in moderation to ensure good health.
|
14. Trans fat is generally considered to be bad for human health because it lowers the level of –
(a) HDL
(b) LDL
(c) Triglycerides
(d) Insulin
[U.P.P.C.S. (Mains) 2012]
Ans. (a) HDL
- HDL cholesterol is known as the “good cholesterol”.
- It helps to clean the blood by removing the bad cholesterol from where it should not be.
- Having high levels of HDL cholesterol can reduce your risk of getting heart disease, but having low levels can increase your risk.
- Eating foods with trans fat can lower the level of HDL cholesterol, which is not good for your health.
|
15. Which vegetable oil is suitable for heart patients?
(a) Sunflower oil
(b) Groundnut oil
(c) Mustard oil
(d) Soyabean oil
[M.P.P.C.S. (Pre) 2006]
Ans. (a) Sunflower oil
- Sunflower oil is most commonly used by people with heart problems.
- It is made from sunflower seeds and has a light taste and look.
- It contains more vitamin E than any other vegetable oil.
- It is also low in saturated fats and high in monounsaturated and polyunsaturated fats.
- The US Surgeon Journal has said that reducing saturated fat intake is the best way to reduce the risk of heart disease.
|
16. Which of the following is a common adulterant of mustard oil seeds?
(a) Prickly seeds
(b) Poppy seeds
(c) Cumin seeds
(d) None of the above
[U.P.P.C.S. (Mains) 2008]
Ans. (b) Poppy seeds
- Argemone mexicana is a type of poppy that is found in Mexico and has spread all over the world.
- The seeds of this plant look like mustard seeds, which is why mustard can be mixed with Argemone seeds, making it poisonous.
- In 1998, a big outbreak of this occurred in India, and it was found that even 1% of Argemone oil added to mustard oil can be dangerous.
|
17. Iodine is obtained from –
(a) Laminaria
(b) Polysiphonia
(c) Chara
(d) Spirogyra
[U.P.P.C.S. (Mains) 2004]
Ans. (a) Laminaria
- Laminaria is a type of brown seaweed that is often referred to as ‘kelp’.
- It is native to Japan and can be found in abundance both in the sea and on land.
- It contains iodine, iron, and potassium, but there are some safety concerns surrounding its use as medicine.
|
18. Which one of the following is a substance abundantly available in the sea and administered in a certain deficiency disease?
(a) Iron
(b) Vitamin A
(c) Fluorine
(d) Iodine
[U.P.P.C.S (Pre) 2010]
Ans. (d) Iodine
- Laminaria is a type of brown seaweed, also known as ‘kelp’, which is found in abundance in the sea and on land.
- It contains iodine, iron, and potassium, and is sometimes used for medicinal purposes, although there are risks associated with it.
|
19. Which of the following is not correctly matched?
| A. Chlorophyll |
1. Magnesium |
| B. Haemoglobin |
2. Iron |
| C. Table salt |
3. Sodium |
| D. Washing soda |
4. Potassium |
[U.P.R.O./A.R.O. (Mains) 2014]
Ans. (d) Washing soda – Potassium
- Option(d) is not correctly matched. Correct Answer is Washing Soda – Sodium Carbonate
-
| The correctly matched order is – |
| A. Chlorophyll |
1. Magnesium |
| B. Haemoglobin |
2. Iron |
| C. Table salt |
3. Sodium chloride |
| D. Washing soda |
4. Sodium carbonate |
|
20. Match List-I with List-II and select the correct answer from the code given below the lists.
| List-I |
List-II |
| A. Acid present in Vinegar |
1. Calcium phosphate |
| B. Souring of milk |
2. Hydrochloric acid |
| C. Compound present in bones |
3. Acetic acid |
| D. Acid present in Gastric juices |
4. Lactic acid |
Code :
|
A |
B |
C |
D |
| (a) |
2 |
1 |
4 |
3 |
| (b) |
3 |
4 |
1 |
2 |
| (c) |
4 |
3 |
1 |
2 |
| (d) |
2 |
4 |
1 |
3 |
[U.P. R.O./A.R.O. (Mains) 2016]
Ans. (b) 3412
-
| The correctly matched lists are as follows : |
| List-I |
List-II |
| A. Acid present in Vinegar |
3. Acetic acid |
| B. Souring of milk |
4. Lactic acid |
| C. Compound present in bones |
1. Calcium phosphate |
| D. Acid present in Gastric juices |
2. Hydrochloric acid |
|
21. Match List-I with List-II and select the correct answer using the code given below the lists :
| List-I |
List-II |
| A. Compounds present in bones |
1. Lactic acid |
| B. Acid present in vinegar |
2. Ethylene |
| C. Souring of milk |
3. Acetic acid |
| D. Ripening of fruits |
4. Calcium phosphate |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
2 |
1 |
4 |
3 |
| (c) |
3 |
4 |
2 |
1 |
| (d) |
4 |
3 |
1 |
2 |
[U.P. R.O./A.R.O. (Pre) 2016]
Ans. (d) 4312
-
| The correctly matched lists are as follows : |
| List-I |
List-II |
| A. Compounds present in bones |
4. Calcium phosphate |
| B. Acid present in vinegar |
3. Acetic acid |
| C. Souring of milk |
1. Lactic acid |
| D. Ripening of fruits |
2. Ethylene |
|
22. Match List-I with List-II and select the correct answer using the codes given below the lists :
| List-I |
List-II |
| A. Skin cancer |
1. Chloro-fluorocarbons |
| B. Noise pollution |
2. Ultraviolet Rays |
| C. Global warming |
3. Decibel |
| D. Ozone hole |
4. Carbon dioxide |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
2 |
3 |
4 |
1 |
| (c) |
2 |
3 |
1 |
4 |
| (d) |
4 |
3 |
2 |
1 |
[U.P. Lower Sub. (Pre) 2015]
Ans. (b) 2341
| The correctly matched lists are as follows : |
| List-I |
List-II |
| A. Skin Cancer |
2. Ultraviolet Rays |
| B. Noise pollution |
3. Decibel |
| C. Global warming |
4. Carbon dioxide |
| D. Ozone hole |
1. Chloro-fluorocarbons |
23. Match List-I with List-II and select the correct answer using the codes given below the lists :
| List-I |
List-II |
| A. Lactobacillus |
1. Alcohol production |
| B. Rhizobium |
2. Citric acid formation |
| C. Yeast |
3. Preparation of curd |
| D. Aspergillus |
4. Nitrogen Fixation |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
2 |
3 |
4 |
1 |
| (c) |
3 |
4 |
1 |
2 |
| (d) |
4 |
3 |
2 |
1 |
[U.P.P.C.S. (Mains) 2003]
Ans. (c) 3412
-
| The correctly matched lists are as follows : |
| A. Lactobacillus |
3. Preparation of curd |
| B. Rhizobium |
4. Nitrogen Fixation |
| C. Yeast |
1. Alcohol production |
| D. Aspergillus |
2. Citric acid formation |
|
24. Which one of the following types of microorganisms is most widely used in industries?
(a) Bacteria
(b) Bacteria and fungi
(c) Bacteria and algae
(d) Bacteria, microalgae and fungi
[I.A.S. (Pre) 1998]
Ans. (d) Bacteria, microalgae and fungi
- Bacteria, fungi, and microalgae are all used in many industries.
- Bacteria are used to make cheese, butter, and antibiotics.
- Diatomaceous soil is made up of the remains of hard-shelled algae and is used to make glass and filter sugarcane.
- Yeast has been used for hundreds of years to make beer, wine, and bread.
- Different types of fungi are also used to create acids such as citric and gallic acid.
|
25. A group of archaebacteria is used in the production of-
(a) Ethane
(b) Methane
(c) Acids
(d) Alcohols
[R.A.S./R.T.S. (Pre) 1997]
Ans. (b) Methane
- Methanogens are tiny microorganisms that make methane as a result of their metabolism, and they are part of a group of bacteria called archaea.
- They need oxygen-free environments to survive.
|
26. An organism involved in the fermentation of toddy is :
(a) Lactobacillus
(b) Acetobacter
(c) Saccharomyces
(d) Penicillium
[U.P.P.C.S. (Mains) 2010]
Ans. (c) Saccharomyces
- Saccharomyces is a type of fungus made up of different yeasts.
- It is used to make a type of alcoholic drink called toddy.
|
27. Which yeast is used for commercial production of ethanol?
(a) Candida albicans
(b) Saccharomyces cerevisiae
(c) Candida shoofi
(d) Leucosporidium frigidum
[U.P. P.C.S. (Pre) 2016]
Ans. (b) Saccharomyces cerevisiae
- Yeast like baker’s yeast, Saccharomyces cerevisiae, prefer to ferment rather than to breathe.
- If they are given the correct food, they will make alcohol even when there is oxygen around them.
|
28. A microbe commonly used for alcoholic fermentation in the wine industry is a-
(a) Yeast
(b) Bacterium
(c) Cyanobacterium
(d) Actinomycete
[U.P.P.C.S. (Mains) 2005]
Ans. (a) Yeast
- Yeasts have two main uses in food production – baking and making alcoholic beverages.
- Yeast is used to convert the sugars present in grape juice into alcohol during fermentation, producing carbon dioxide as a byproduct.
- This process is commonly used in the wine industry.
|
29. Biomagnification means-
(a) Fast spreading of cancer cells in the body
(b) Increasing amount of pesticides in the organisms of successive tropic level
(c) To see the microscopic parts of the body by microscope
(d) Sudden increase in the number of individuals of a species in a specific area
[R.A.S./R.T.S.(Pre) 2008]
Ans. (b) Increasing amount of pesticides in the organisms of successive tropic level
- Biomagnification, sometimes referred to as bio-amplification or biological magnification, is when a substance like a hazardous chemical (e.g. pesticides) gets more concentrated in the tissues of living things that are higher up in a food chain.
|
30. Assertion (A): Herbicides can destroy weeds without harming useful plants.
Reason (R): Herbicides are absorbed at different rates by weeds and crop plants.
Select the correct answer using the code given below
Code :
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
(b) Both (A) and (R) are true but (R) is not the correct explanation of (A).
(c) (A) is true but (R) is false
(d) (A) is false but (R) is true
[U.P.P.C.S. (Mains) 2002]
Ans. (a) Both (A) and (R) are true and (R) is the correct explanation of (A).
- Herbicides are a type of chemical used to get rid of plants that are not wanted.
- They are taken in by different types of plants at different rates. Selective herbicides can kill certain plants without harming the desired crop.
- Both statements (A) and (R) are correct and (R) explains (A) correctly.
|
31. Generally, Orobanche weed is found in –
(a) Tobacco field
(b) Gram field
(c) Rice field
(d) Wheatfield
[U.P.R.O./A.R.O. (Pre) 2014]
Ans. (a) Tobacco field
- Orobanche weed is a parasite that can be found in tobacco, tomato, and potato fields.
- It is found in many warm or temperate climates around the world and there are 150 different kinds of it.
|
32. Information about local flora can be obtained from :
(a) Herbarium
(b) Auditorium
(c) Sanitarium
(d) Planetarium
[R.A.S./R.T.S.(Pre) 2010]
Ans. (a) Herbarium
- A herbarium is a collection of plants that are saved, organized, and labeled in a specific way so that people from many different backgrounds can study them.
- It is important for identifying plants and preserving the names of thousands of them.
|
33. Match the following –
| A. 5 June |
1. Food Day |
| B. 1 December |
2. Environment Day |
| C. 5 September |
3. World AIDS Day |
| D. 16 October |
4. Teachers Day |
Code :
|
A |
B |
C |
D |
| (a) |
2 |
3 |
4 |
1 |
| (b) |
2 |
3 |
1 |
4 |
| (c) |
3 |
2 |
4 |
1 |
| (d) |
1 |
3 |
2 |
4 |
[U.P.P.C.S. (Pre) 1992]
Ans. (a) 2341
-
| The correctly matched lists are as follows – |
| A. 5 June |
2. World Environment Day |
| B. 1 December |
3. World AIDS Day |
| C. 5 September |
4. Teachers Day |
| D. 16 October |
1. World Food Day |
|
34. Match List- I with List- II and select the correct answer using the code given below :
| A. World T.B. Day |
1. December 1 |
| B. World AIDS Day |
2. January 31 |
| C. Anti Leprosy Day |
3. September 16 |
| D. International Ozone Day |
4. March 24 |
Code :
|
A |
B |
C |
D |
| (a) |
4 |
1 |
2 |
3 |
| (b) |
3 |
4 |
1 |
2 |
| (c) |
2 |
3 |
4 |
1 |
| (d) |
1 |
2 |
3 |
4 |
[U.P.P.C.S. (Pre) 1999]
Ans. (a) 4123
-
| A. World T.B. Day |
4. March 24 |
| B. World AIDS Day |
1. December 1 |
| C. Anti Leprosy Day |
2. The last Sunday of January (31 January 1999 was Sunday) |
| D. International Ozone Day |
3. September 16 |
|
35. In July 2004, where is the world’s largest session of HIV/ AIDS organized in the world?
(a) Bangkok
(b) Singapore
(c) Newyork
(d) Rome
[R.A.S./R.T.S. (Pre) 2008]
Ans. (a) Bangkok
- The AIDS conference took place in Bangkok, Thailand on July 16, 2004.
- Its goal was to release new rules that showed how well anti-HIV drugs work at stopping the virus from being passed on from expectant mothers to their babies.
- Every year, December 1st is celebrated as World AIDS Day.
|
36. 1 December, is celebrated every year as –
(a) World Environment Day
(b) World Food Day
(c) World AIDS Day
(d) World Literacy Day
[U.P. Lower Sub. (Pre) 2009]
Ans. (c) World AIDS Day
- The AIDS conference was held in Bangkok, Thailand on July 16, 2004.
- Its goal was to release new rules regarding the effectiveness of anti-HIV drugs for preventing the transmission of HIV from an infected mother to her baby.
- Every year, December 1 is celebrated as ‘World AIDS Day’.
|
37. ‘World AIDS Day’ is celebrated on which date?
(a) 12th January
(b) 1st April
(c) 1st May
(d) 1st December
[M.P.P.C.S. (Pre) 2012]
Ans. (d) 1st December
- The global AIDS conference happened in Bangkok, Thailand on July 16, 2004.
- The main purpose of the conference was to reveal new rules that show how well anti-retroviral medicine can stop HIV from being passed from mothers with HIV to their kids.
- Every year on December 1st, we celebrate ‘World AIDS Day’.
|
38. Consider :
1. World Alzheimer’s Day
2. World TB day
3. Anti Leprosy day
4. World AIDS Day
What is the correct sequence in which these national and international days are observed in a calendar year?
(a) 1, 2, 3, 4
(b) 4, 3, 2, 1
(c) 2, 1, 3, 4
(d) 3, 2, 1, 4
[U.P.P.C.S. (Mains) 2002]
Ans. (d) 3, 2, 1, 4
-
| A. Anti Leprosy Day |
3. last Sunday of January |
| B. World TB Day |
2. 24 March |
| C. World Alzheimer’s Day |
1. 21 September |
| D. World AIDS Day |
4. 1 December |
|
39. Which of the following is not correctly matched?
| List-I |
List-II |
| A. International Women’s Day |
1. 08 March |
| B. World Water Day |
2. 22 April |
| C. World Leprosy Day |
3. 30 June |
| D. World Cancer Day |
4. 04 February |
[U.P. P.C.S. (Mains) 2017]
Ans. (b) & (c) World Water Day – 22 April, World Leprosy Day – 30 June
- World Water Day is celebrated on March 22 every year and World Leprosy Day is observed on the last Sunday of January each year.
- Therefore, options (b) and (c) are not correct matches.
|
40. Which date is known as ‘Diabetes Day’?
(a) 14th February
(b) 14th May
(c) 14th September
(d) 14th November
[53rd to 55th B.P.S.C. (Pre) 2011]
Ans. (d) 14th November
- Every year, November 14 is celebrated as World Diabetes Day.
|
41. Match the following pairs correctly :
| List-I |
List-II |
| A. World Minority Rights Day |
1. December 1 |
| B. World AIDS Day |
2. December 18 |
| C. World Animal Day |
3. October 16 |
| D. World Food Day |
4. October 4 |
Code :
|
A |
B |
C |
D |
| (a) |
2 |
1 |
4 |
3 |
| (b) |
3 |
2 |
1 |
4 |
| (c) |
4 |
3 |
2 |
1 |
| (d) |
2 |
3 |
4 |
1 |
[U.P.P.C.S. (Pre) 1999]
Ans. (a) 2143
| List-I |
List-II |
| A. World Minority Rights Day |
2. December 18 |
| B. World AIDS Day |
1. December 1 |
| C. World Animal Day |
4. October 4 |
| D. World Food Day |
3. October 16 |
42. Match List-I with List-II and select your answer from the codes given below :
| List – I |
List – II |
| A. The bird that never makes its nest |
1. Lizard |
| B. The animal that shakes off its tail |
2. Chimpanzee |
| C. Largest living creature |
3. Cuckoo |
| D. Most intelligent animal |
4. Blue whale |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
3 |
1 |
4 |
2 |
| (c) |
4 |
3 |
2 |
1 |
| (d) |
1 |
3 |
2 |
4 |
[U.P. Lower Sub. (Spl.) (Pre) 2004]
Ans. (b) 3142
-
| A. The bird that never makes its nest |
3. Cuckoo – The cuckoo never builds a nest. |
| B. The animal that shakes off its tail |
1. Lizard – Lizards can lose their tail when touched and then regrow them because they have a horizontal split in their spine. |
| C. Largest living creature |
4. Blue whale – the blue whale is the biggest living creature. |
| D. Most intelligent animal |
2. Chimpanzee – Chimpanzees are said to be the smartest animal |
|
43. Consider the following animals of India :
1. Crocodile
2. Elephant
Which of these is/are an endangered species?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
[I.A.S. (Pre) 2003]
Ans. (c) Both 1 and 2
- The IUCN’s Red Data List states that crocodiles in India are in extreme danger of extinction, while Indian elephants are in danger of extinction too.
|
44. About whom is said ‘India’s large wild cats’ have recently become extinct?
(a) Cheetah
(b) Leopard
(c) Tiger
(d) Lion
[R.A.S./R.T.S. (Pre) 1992]
Ans. (a) Cheetah
- The Cheetah, also known as the “hunting leopard,” was no longer found in India. It used to live in large numbers in Chhattisgarh.
|
45. The term ‘Sixth mass extinction/sixth extinction’ is often mentioned in the news in the context of the discussion of
(a) Widespread monoculture practices in agriculture and large-scale commercial farming with indiscriminate use of chemicals in many parts of the world that may result in the loss of good native ecosystems.
(b) Fears of a possible collision of a meteorite with the Earth in the near future in the manner it happened 65 million years ago that caused the mass extinction of many species including those of dinosaurs.
(c) Large-scale cultivation of genetically modified crops in many parts of the world and promoting their cultivation in other parts of the world which may cause the disappearance of good native crop plants and the loss of food biodiversity.
(d) Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution, and global climate change
[I.A.S. (Pre) 2018]
Ans. (d) Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution, and global climate change
- Scientists are warning that Earth is approaching its sixth mass extinction where many species of animals and plants will rapidly die.
- This extinction is happening faster than expected and is caused by humans; they are destroying the environment and causing global warming through activities such as deforestation, overpopulation, pollution, poaching and more.
- This is different from the five mass extinctions that have happened in the past 500 million years, which were caused by natural climate changes or huge volcanic eruptions and meteor strikes.
|
46. Which one of the following is not properly matched?
| Gene splicing and Recombinant DNA technology |
Genetic Engineering |
A diagnostic test to detect the presence or absence of genetic
disorders in the unborn child |
Amniocentesis |
A process by which living organisms break down complex matter
into simpler constituents |
Biodegradation |
| An inbuilt timekeeping system in all organisms |
Biomass |
[U.P.P.C.S (Pre) 2010]
Ans. (d) An inbuilt timekeeping system in all organisms – Biomass
- Biomass is made from living things, like plants.
- It can be used to create heat or turned into biofuel.
- There are three ways to turn biomass into biofuel: thermal, chemical, and biochemical methods.
|
47. Diseases of the inner parts of the human body are diagnosed through :
(a) Cardiograph
(b) Endoscope
(c) Gyroscope
(d) Crescograph
[U.P.P.C.S. (Mains) 2014]
Ans. (b)
- Endoscopy is a type of medical exam that doesn’t require surgery.
- The doctor will use a thin tube with a light and camera on it to look inside the digestive tract.
- This tube is called an endoscope and the doctor will be able to see a picture of the digestive tract on a television screen.
|
48. An endoscope is a –
(a) Narrow telescope
(b) Type of camera
(c) Simple microscope
(d) None of these
[U.P.P.S.C. (R.I.) 2014]
Ans. (d) None of these
- An endoscope is a medical tool made up of a thin, long tube that has a light and a camera.
- The camera takes pictures of the inside of a person’s body which can be seen on a screen.
- It should not be thought of as just a type of camera.
|
49. Which of the following types is used by Computed Tomography employed for visualization of the internal
structure of the human body?
(a) X-rays
(b) Sound waves
(c) Magnetic resonance
(d) Radio-isotopes
[I.A.S. (Pre) 2007]
Ans. (a) X-rays
- X-ray CT or CAT scan uses a combination of X-ray images taken from different angles and processed by a computer to create a 3D picture of a certain area.
- This allows someone to look inside an object without having to cut it open.
|
50. Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because
(a) Barium allows X-rays to pass through the stomach on account of its transparency to X-rays.
(b) Barium compound like magnesium sulfate helps in cleaning the stomach before X-ray examination.
(c) Barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture.
(d) Barium salts are white in color and this helps the stomach to appear clearly in contrast with other regions in the picture.
[I.A.S. (Pre) 1999]
Ans. (c) Barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture.
- Barium helps X-rays to show the stomach more clearly in a picture.
- It is given to patients before an X-ray of the stomach so that any problems like tumors or ulcers can be identified.
|
51. Match List-I with List-II and select the correct answer with the help of the code given below the lists :
| List-I |
List-II |
| A. EEG |
1. Muscle |
| B. ECG |
2. Eyes |
| C. EOG |
3. Brain |
| D. EMG |
4. Heart |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
3 |
4 |
2 |
1 |
| (c) |
2 |
3 |
4 |
1 |
| (d) |
4 |
3 |
2 |
1 |
[U.P.P.C.S. (Pre) 2009]
Ans. (b) 3421
-
| A. EEG |
3. Brain – Electroencephalography is a process related to
the brain in which the electrical activities of the brain are
recorded. |
| B. ECG |
4. Heart – Electrocardiography is the process of the recording
of the heart’s electrical activities. |
| C. EOG |
2. Eyes – Electrooculography is the technique of measuring the
resting power of the retina. |
| D. EMG |
1. Muscle – Electromyography is a test in which the veins of
muscles are checked. |
|
52. Brain diseases are diagnosed by :
(a) E.E.G.
(b) E.E.C.
(c) E.M.G.
(d) E.K.G.
[U.P.P.C.S. (Pre) 1993]
Ans. (a) E.E.G.
- Scientists can identify various brain diseases in humans using an Electroencephalograph (EEG).
- Hunsberger recorded brain waves by attaching electrodes to the brain, which are then displayed as a graph known as an EEG.
|
53. E.E.G. records the activity of :
(a) Heart
(b) Brain
(c) Ear
(d) Liver
[U.P.P.C.S. (Spl.) (Pre) 2008]
Ans. (b) Brain
- Scientists can identify certain brain diseases using Electroencephalograph (EEG).
- Hunsberger recorded brain waves by attaching electrodes to them, which are then shown on a graph known as an EEG.
|
54. E.E.G. is done to record the working of :
(a) Heart
(b) Lungs
(c) Brain
(d) Kidney
[U.P.P.C.S. (Mains) 2014]
Ans. (c) Brain
- Scientists can use an Electroencephalograph (EEG) to identify different diseases of the human brain.
- Dr. Hunsberger recorded the brain’s waves by attaching electrodes to it.
- These waves are then displayed as a graph, which is known as an EEG.
|
55. Match List-I with List-II and select the correct answer with the help of the code given below the lists :
| List-I |
List-II |
| A. Audiogram |
1. Heart |
| B. E . C . G |
2. Brain |
| C. E.E.G. |
3. Ear |
| D. Mammogram |
4. Breast |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
2 |
1 |
3 |
4 |
| (c) |
4 |
3 |
2 |
1 |
| (d) |
3 |
1 |
2 |
4 |
[U.P.P.C.S. (Mains) 2012]
Ans. (d) 3124
-
| Correctly matched orders are : |
| A. Audiogram |
3. Ear |
| B. E . C . G |
1. Heart |
| C. E.E.G. |
2. Brain |
| D. Mammogram |
4. Breast |
|
56. The Magnetic Resonance Imaging (MRI) is based on the phenomenon of –
(a) Nuclear magnetic resonance
(b) Electron spin resonance
(c) Electron paramagnetic resonance
(d) Diamagnetism of human tissues
[U.P.P.C.S. (Spl.) (Mains) 2008]
Ans. (a) Nuclear magnetic resonance
- MRI is a test that doctors use to find out what’s wrong with you without having to do surgery.
- It uses a strong magnet, radio waves, and a computer to make pictures of the inside of your body.
- This technique is called Magnetic Resonance Imaging and is based on nuclear magnetic resonance.
|
57. MRI is a diagnostic tool, which means –
(a) Magnetic Resonance Index
(b) Magnetic Resolution Information
(c) Magnetic Resonance Imaging
(d) All of the Above
[U.P.P.C.S. (Mains) 2008]
Ans. (c) Magnetic Resonance Imaging
- MRI is a test that uses magnets and radio waves to take pictures of the inside of your body.
|
58. To diagnose the medical conditions, MRI technique is used. Which is not used in MRI?
(a) Magnetic field
(b) X-ray
(c) Radio wave
(d) Gamma ray
(e) None of the above/More than one of the above
[66th B.P.S.C. (Pre) (Re. Exam) 2020]
Ans. (e) None of the above/More than one of the above
- MRI is a type of medical imaging used to create pictures of the body’s anatomy and functions.
- It uses strong magnets, magnetic field gradients, and radio waves to make these images.
- MRI does not use radiation like CT and PET scans do.
|
59. What is MRI?
(a) Magnetic Record of Intestines
(b) Magnetic Recording of investigations
(c) Magnetic Resonance Imaging
(d) Magnetic Resonance in Intestines
[U.P.P.C.S. (Pre) 2012]
Ans. (c) Magnetic Resonance Imaging
- MRI is a medical imaging technique used to take pictures of the body’s anatomy and processes.
- MRI machines use strong magnets, magnetic force, and radio waves to make images of the body’s organs.
- MRI does not use radiation like CT and PET scans do.
|
60. BMD test is held for diagnosis of –
(a) Dengue
(b) Malaria
(c) Osteoporosis
(d) AIDS
[U.P.P.C.S. (Pre) 2011]
Ans. (c) Osteoporosis
- A BMD test is used to diagnose osteoporosis. Osteoporosis is a condition that weakens bones and increases the risk of breaking them.
- The test measures the amount of calcium and other minerals in a part of the bone, as this is generally reduced in osteoporosis and the structure of the bone has deteriorated.
|
61. BMD test is performed for –
(a) Arthritis
(b) Osteoporosis
(c) Osteomalacia
(d) None of these
[U.P.P.C.S. (Mains) 2014]
Ans. (b) Osteoporosis
- A BMD test is used to diagnose osteoporosis, which is a type of bone disease that makes it more likely to break a bone.
- In this disease, the amount of calcium and other minerals in the bone decreases and the structure of the bone is damaged.
- The test measures how much calcium and other minerals are in a certain part of the bone.
|
62. What is the full form of the BMD test?
(a) Bone Marrow Density
(b) Bone Mineral Density
(c) Bone Marrow Deficiency
(d) Bone Marrow Differentiation
[U.P.P.C.S. (Mains) 2015]
Ans. (b) Bone Mineral Density
- A BMD (Bone Mineral Density) test is used to diagnose osteoporosis, a condition of weakened bones that increases the risk of fractures.
|
63. What is lithotripsy?
(a) Art of writing on stones
(b) Breaking of kidney stone through rays
(c) Carbon dating of stones
(d) Trimming stones for household use
[M.P.P.C.S. (Pre) 2010]
Ans. (b) Breaking of kidney stone through rays
- Lithotripsy is a medical treatment that uses ultrasound shockwaves to break up stones in the kidney, bladder, or ureter.
- Afterward, the small pieces of the stones are passed out of the body through the urine.
|
64. Electron beam therapy is a kind of radiation therapy in treat –
(a) Enlarged prostate gland
(b) Gallbladder stone
(c) Certain types of cancer
(d) Kidney stone
[U.P.P.C.S. (Spl.) (Mains) 2008]
Ans. (c) Certain types of cancer
- Electron beam radiation therapy is a way to treat lymphoma, a type of skin cancer.
- It comes in two forms:
- spot treatment
- total skin electron beam therapy.
|
65. When the doctor tells a person that he/she has been affected with tetraplegia, it means that he/she is suffering from paralysis of –
(a) Right hand only
(b) Left hand only
(c) His both legs only
(d) Both hands and both legs
[U.P.P.C.S. (Pre) (Re. Exam) 2015]
Ans. (d)
- Tetraplegia, also known as quadriplegia, is a medical condition that results in either full or partial paralysis in all four limbs. It can be caused by accidents or illnesses.
|
66. In living beings, nutrition, respiration, and synthesis are the three major aspects of :
(a) Growth
(b) Metabolism
(c) Reproduction
(d) Self–perpetuation
[Uttarakhand P.C.S. (Mains) 2002]
Ans. (b) Metabolism
- Metabolism is the process of the body’s chemical reactions that keep us alive.
- It is divided into two parts: catabolism, which is when molecules are broken down to get energy, and anabolism, which is when our cells make the compounds they need.
- The three main parts of metabolism are nutrition, respiration, and synthesis.
|
67. Another name for artificial silk is –
(a) Rayon
(b) Decron
(c) Fibre Glass
d) Nylon
[Jharkhand P.C.S. (Pre) 2010]
Ans. (a) Rayon
- Artificial silk, also known as rayon, is a synthetic fabric made from natural sources like wood and agricultural products that have been converted into cellulose fibers.
|
68. Which of the following pairs is NOT correctly matched?
(a) Oxytocin Hormone
(b) Aspartame Synthetic sweetener
(c) Neoprene Specialized rubber
(d) Rayon Modified starch
[U.P.P.C.S. (Pre) 2019]
Ans. (d) Rayon Modified starch
- Rayon is a type of fabric made from natural materials such as wood and agricultural products that have been turned into cellulose fibers. It’s not the same as modified starch.
- The other choices are correctly matched.
|
69. Which one of the following pairs is not correctly matched?
(a) Wool – A protein
(b) Rayon – Modified starch
(c) Rubber – A natural polymer
(d) Fullerene – An allotrope of carbon
[U.P.P.C.S. (Pre) 2015]
Ans. (b) Rayon – Modified starch
- Rayon is made from cellulose that has been regenerated. The other pairs fit together correctly.
|
70. Silk fiber, hairs, nails, and claws are made of-
(a) Fibrin
(b) Elastin
(c) Keratin
(d) Collagen
[U.P. Lower Sub. (Pre) 2009, U.P.P.C.S. (Pre) 2015]
Ans. (c) Keratin
- Silk, hair, nails, and claws are all made of keratin proteins.
|
71. Which of the following substances is NOT a protein?
(a) Cotton
(b) Hair
(c) Spider Silk
(d) Hoof
[U.P.P.C.S. (Pre) 2019]
Ans. (a) Cotton
- Cotton is a fluffy material that grows from the seeds of cotton plants.
- It is mostly made of cellulose, while things like hair, spider silk, and hoof are mainly made of protein.
|
72. Which one of the following plant fibers is obtained from the stem :
(a) Cotton
(b) Coir
(c) Sunn hemp
(d) Kapak
[U.P.P.C.S. (Mains) 2010]
Ans. (c) Sunn hemp
- Crotalaria juncea, also known as brown hemp, Indian hemp, Madras hemp, or sunn hemp, is a plant from the legume family (Fabaceae) that originated in India.
- It is now grown in many tropical and subtropical areas for green manure, animal feed, and fiber from its stem.
- This plant has yellow flowers and leaves that alternate along the stem.
|
73. Bull semen for the purpose of artificial insemination is stored in
(a) Ice
(b) Liquid Oxygen
(c) Liquid Nitrogen
(d) Liquid Carbon Dioxide
[U.P.P.C.S. (Mains) 2007]
Ans. (c) Liquid Nitrogen
- Bull sperm used for artificial insemination is kept at a very cold temperature, around -196 degrees Celsius, in liquid nitrogen.
|
74. Kadaknath is a breed of :
(a) Bull
(b) Goat
(c) Buf alo
(d) Fowl
[R.A.S./ R.T.S. (Pre) 2021]
Ans. (d) Fowl
- Kadaknath, also known as Kali Masi (“chicken with black meat”), is a breed of chicken that originated from Dhar and Jhabua in Madhya Pradesh.
- It is mostly bred by people living in rural and tribal areas, and comes in three varieties: jet black, golden, and penciled.
- The Indian government awarded the meat from this breed a special “Geographical Indication (GI Tag)” on July 30, 2018.
|
75. Which of the following is a high milk-yielding variety of cow?
(a) Dorset
(b) Holstein
(c) Sahiwal
(d) Red Sindhi
[U.P.P.C.S. (Mains) 2006]
Ans. (b) Holstein
- Holstein–Friesians are a type of cow that is famous for producing a lot of milk.
- They are originally from the Netherlands and can produce an average of 23,285 pounds of milk every year.
|
76. The ‘Rashtriya Gokul Mission’ announced by the Union Government aims at :
(a) Protecting the indigenous breeds of cows
(b) Developing high milk-yielding cow breeds
(c) Curbing slaughtering of cattle
(d) Eliminating foot and mouth disease in cattle
[Uttarakhand P.C.S. (Pre) 2012]
Ans. (a) Protecting the indigenous breeds of cows
- The ‘Rashtriya Gokul Mission’ is a project that has been specially created to look after the breeding and dairy development of cows.
- It has been given a budget of Rs 500 crore to be used over the next five years.
- This mission is focused on preserving and improving the quality of indigenous cow breeds in a scientific way.
|
77. Match List-I with List-II and select the correct answer by using the code given below :
| List-I |
List-II |
| A. Myoglobin |
1. Radiotherapy |
| B. Sarpgandha |
2. Oxygen transport |
| C. Carcinoma |
3. Tranquilizer |
| D. Haemoglobin |
4. Muscle cell |
Code :
|
A |
B |
C |
D |
| (a) |
3 |
2 |
1 |
4 |
| (b) |
4 |
1 |
2 |
3 |
| (c) |
4 |
3 |
1 |
2 |
| (d) |
2 |
3 |
1 |
4 |
[U.P.P.C.S. (Spl) (Mains) 2004]
Ans. (c) 4312
-
| The correctly matched lists are as follows : |
| A. Myoglobin |
4. Muscle cell |
| B. Sarpgandha |
3. Tranquilizer |
| C. Carcinoma |
1. Radiotherapy |
| D. Haemoglobin |
2. Oxygen transport |
|
78. Match List-I with List-II and select the correct answer from the code given below the lists :
| List-I |
List-II |
| A. Bulimia |
1. Alkaloid |
| B. Cholesterol |
2. Egg-Yolk |
| C. Atropine |
3. Pancreas |
| D. Insulin |
4. Eating disorder |
Code :
|
A |
B |
C |
D |
| (a) |
4 |
2 |
1 |
3 |
| (b) |
3 |
1 |
4 |
2 |
| (c) |
1 |
2 |
3 |
4 |
| (d) |
2 |
4 |
1 |
3 |
[U.P.P.C.S. (Spl.) (Mains) 2004]
Ans. (a) 4213
-
| The correctly matched lists are as follows : |
| A. Bulimia |
4. Eating disorder |
| B. Cholesterol |
2. Egg-Yolk |
| C. Atropine |
1. Alkaloid |
| D. Insulin |
3. Pancreas |
|
79. An electronic diode using a semi-conductor nanoparticle material synthesized by microorganisms has been
recently fabricated by Indian scientists for the first time, having utility in device miniaturization. The organism used is a/an –
(a) Virus
(b) Bacteria
(c) Yeast
(d) Protozoa
[U.P.P.C.S. (Mains) 2002]
Ans. (c) Yeast
- Indian scientists recently made an electronic diode for the first time using a material made of tiny particles (cadmium sulfide) produced by the yeast Schizosaccharomyces pombe.
- The diode was created using cadmium sulfide and phenylene vinylene, which can be used to make devices smaller.
|
80. The substances which can be used as anesthetics are –
1. Chloroform
2. Nitrous oxide
3. Helium
4. Carbon dioxide
Select the correct answer using the codes given below :
Code :
(a) 1 and 2
(b) 2 and 3
(c) 3 and 4
(d) 1 and 4
[U.P.P.C.S. (Mains) 2002]
Ans. (a) 1 and 2
- Anaesthetics are mostly used to block out pain and make you not feel anything.
- In 1846, William Morton was the first to use anaesthetics in the form of di-ethyl ether.
- Then, in 1847, James Sampson tried out chloroform.
- Today, different types of anaesthetics such as chloroform, Nitrous oxide, pentothal sodium, hailothen, chloropropane, and cocaine.
|
81. The gas used as a mild anesthetic in hospitals is
(a) Carbon dioxide
(b) Carbon monoxide
(c) Helium
(d) Nitrous oxide
[U.P.P.C.S. (Spl) (Mains) 2008]
Ans. (d) Nitrous oxide
- Anaesthetics are most commonly used to reduce feelings and awareness.
- William Morgan was the first to use di-ethyl ether as an anaesthetic in 1846, and in 1847, Jams Sampson used chloroform.
- These substances, such as chloroform, nitrous oxide, pentothal sodium, hailothen, chloropropane, and cocaine, are used as an anesthetic.
|
82. Match List-I with List-II and select the correct answer using the codes given below :
| List-I |
List-II |
| (Specialist) |
(Body Part) |
| A. Cardiologist |
1. Eye |
| B. Nephrologist |
2. Urinary tract |
| C. Urologist |
3. Heart |
| D. Oculist |
4. Kidney |
Code :
|
A |
B |
C |
D |
| (a) |
3 |
4 |
2 |
1 |
| (b) |
4 |
3 |
1 |
2 |
| (c) |
1 |
2 |
4 |
3 |
| (d) |
2 |
1 |
3 |
4 |
[U.P.P.S.C. (GIC) 2010]
Ans. (a) 3421
-
| (Specialist) |
(Body Part) |
| A. Cardiologist |
3. Heart |
| B. Nephrologist |
4. Kidney |
| C. Urologist |
2. Urinary tract |
| D. Oculist |
1. Eye |
|
83. Which one of the following pairs is correctly matched? (Branch of Medicine) (Human Organs)
(a) Cardiology – Respiratory System
(b) Gastroenterology – Urinary System
(c) Urology – Digestive System
(d) Neurology – Nervous System
[U.P. Lower Sub. (Mains) 2015]
Ans. (d) Neurology – Nervous System
- Neurology is a medical field that deals with problems of the nervous system.
- Cardiology is the part of medicine that looks at heart issues and the circulatory system.
- Gastroenterology is the medical area that concentrates on the digestive system and any issues related to it.
- Urology is the field of medicine that deals with diseases and surgery involving the urinary tract and male reproductive organs.
|
84. Which one of the following is not banned for use as performance-enhancing substance by athletes :
(a) Human growth hormone
(b) Testosterone
(c) Erythropoietin
(d) Colostrum
[U.P.P.C.S. (Mains) 2003]
Ans. (d) Colostrum
- The International Olympic Committee has declared colostrum to be a safe dietary supplement which can be used to improve sports performance. All other options are not allowed.
|
85. Which one of the following pairs is not correctly matched?
| Compound |
Classification |
| (a) Saccharin |
Carbohydrate |
| (b) Adrenaline |
Hormone |
| (c) Thiamine |
Vitamin |
| (d) Keratin |
Protein |
[U.P.P.S.C. (GIC) 2017]
Ans. (a) Saccharin – Carbohydrate
- Saccharin is a powder that is made in a lab and used as a sugar substitute.
- It is very sweet and not related to other types of sugars.
- It is around 300-400 times sweeter than normal sugar.
|
86. Which one of the following pairs is not correctly matched?
(a) Control center of cell – Nucleus
(b) Natural Rubber – Poly-isoprene
(c) Cryolite – Ore of Aluminium
(d) Antiseptic – Phenolphthalein
[U.P.P.C.S. (Mains) 2003]
Ans. (d) Antiseptic – Phenolphthalein
- Phenolphthalein is used to measure the acidity or basicity in a chemical reaction.
- It is not used as an antiseptic but as a laxative. So, option (d) is incorrect
|
87. Which one of the following nonsteroidal contraceptive pills has been developed by CDRI, Lucknow?
(a) Saheli
(b) Paheli
(c) Sangini
(d) Kilkari
[U.P. P.C.S. (Mains) 2017]
Ans. (a) Saheli
- The Central Drug Research Institute in Lucknow created the molecule centchroman (ormeloxifene), which is sold by HLL under the name Saheli.
- It was launched in 1991 and was the first non-steroidal oral contraceptive pill in the world.
- It is special because it was developed in India, and is taken once a week.
|
88. Recently developed technique for monitoring fetal growth is :
(a) Microwave technique
(b) Ultrasonics
(c) Ultraviolet rays
(d) X-rays
[U.P.P.C.S. (Mains) 2006]
Ans. (b) Ultrasonics
- Ultrasonics is a way to keep track of how a baby is growing in the womb.
- It uses ultrasound, a kind of sound that is used for doctors to take pictures of the body, find things, and measure things.
- When more powerful, ultrasonics can be used to change the chemical make
|
89. Which among these is correctly matched –
(a) Dr. Kurian – Astronomy
(b) Dr. Malcom Adiseshiah – Co-operative movement
(c) Dr. Abdul Kalam – Development economics
(d) Dr. Promod Kaur Sethi – Jaipurian Prosthetic foot
[I.A.S. (Pre) 1993]
Ans. (d) Dr. Promod Kaur Sethi – Jaipurian Prosthetic foot
- The correctly matched lists are as follows :
Dr. Kurian – Co-operative movement
Dr. M. Adiseshiah – Development economics
Dr. Abdul Kalam – Astronomy
Dr. Pramod Kaur Sethi – Jaipurian prosthetic foot
|
90. Indian Veterinary Research Institute is located at :
(a) Bareilly
(b) Mathura
(c) Karnal
(d) Patna
[U.P. P.C.S. (Pre) 2016]
Ans. (a) Bareilly
- The Indian Veterinary Research Institute (IVRI) is in Izatnagar, Bareilly in Uttar Pradesh.
- It is India’s top research center for veterinary medicine and related fields.
|
91. ‘Indian Veterinary Research Institute’ is located at :
(a) Bareilly
(b) Kanpur
(c) Aligarh
(d) Jhansi
[U.P.P.C.S. (Mains) 2013]
Ans. (a) Bareilly
- The Indian Veterinary Research Institute (IVRI) is based in Izatnagar, Bareilly in Uttar Pradesh.
- It is India’s foremost research institution for veterinary medicine and related fields.
|
92. CDRI (India) is located at :
(a) Allahabad
(b) Delhi
(c) Bangalore
(d) Lucknow
[R.A.S./R.T.S.(Pre) 1999, U.P.P.C.S. (Pre) 1991]
Ans. (d) Lucknow
- The Central Drug Research Institute is situated in Lucknow.
|
93. Survey of India is under the ministry of :
(a) Defence
(b) Environment and Forests
(c) Home Af airs
(d) Science and Technology
[I.A.S. (Pre) 2003]
Ans. (d) Science and Technology
- The Survey of India is a government agency responsible for creating maps and doing surveying work.
- It was started in 1767 and has developed a lot of history since then. It is part of the Ministry of Science and Technology.
|
94. The headquarters of Survey of India is located in –
(a) Chandigarh
(b) Hyderabad
(c) Dehradun
(d) New Delhi
[Uttarakhand P.C.S. (Pre) 2006]
Ans. (c) Dehradun
- The main office for Survey of India is in Dehradun.
|
95. Which one of the following is an unmatched pair?
(a) Central Drug Research Institute – Lucknow
(b) Central Electrochemical Research Institute – Kolkata
(c) Centre for Cellular and Molecular Biology – Hyderabad
(d) Central Salt Research Institute – Bhavnagar
[U.P.P.C.S. (Mains) 2004]
Ans. (b) Central Electrochemical Research Institute – Kolkata
- R The Central Electrochemical Research Institute is one of 40 research labs run by the Council of Scientific and Industrial Research in New Delhi.
- It was created on July 25, 1948 in Karaikudi, Tamil Nadu. All other pairs are correctly matched.
|
96. ICAR’s Central Institute for Research on goats was established at :
(a) Bharatpur
(b) Mukhdoom, Mathura
(c) Bikaner
(d) Aligarh
[U.P.P.C.S. (GIC) 2017]
Ans. (b) Mukhdoom, Mathura
- The ICAR set up the Central Institute for Research on Goats (CIRG) on July 12, 1979, in Makhdoom village, which is close to Farah town in Mathura district, Uttar Pradesh.
- This institute is responsible for researching all aspects of goat production and use.
|
97. Where is the High-Security Animal Disease Laboratory located in India?
(a) Hyderabad
(b) Bangalore
(c) Bhopal
(d) Mumbai
[U.P.P.C.S. (Mains) 2005]
Ans. (c) Bhopal
- A laboratory that specializes in animal diseases and has high security is located in Bhopal, Madhya Pradesh.
|
98. Among Lucknow-based National Science Institutes, identify the non C.S.I.R. Institute –
(a) CIMAP (Central Institute of Medicinal and Aromatic Plants)
(b) NBRI (National Botanical Research Institute)
(c) BSIP (Birbal Sahani Institute of Palaeobotany)
(d) CDRI (Central Drug Research Insitute)
[U.P.P.C.S. (Mains) 2005]
Ans. (c) BSIP (Birbal Sahani Institute of Palaeobotany)
- The Birbal Sahni Institute of Palaeobotany (BSIP) is an independent educational institution in Lucknow, Uttar Pradesh.
- It is funded by the Department of Science and Technology of the Government of India. It focuses on research in plant fossils.
|
99. The National Institute for the Mentally Handicapped is situated at
(a) Hyderabad
(b) New Delhi
(c) Kolkata
(d) Chennai
[U.P.P.C.S.(Pre) 2013]
Ans. (a) Hyderabad
- The National Institute for the Empowerment of Persons with Intellectual Disabilities is located in Secunderabad (in the Hyderabad district).
- It used to be called the National Institute for the Mentally Handicapped.
|
100. Match List-I with List-II and select the correct answer using the code given below in the lists :
| List-I |
List- II |
| (Institution) |
(Location) |
| A. Central Drug Research Institute |
1. Allahabad |
| B. Central Leprosy Institute |
2. Kanpur |
| C. Motilal Nehru National Institute of Technology |
3. Agra |
| D. Indian Institute of Sugar Technology |
4. Lucknow |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
3 |
1 |
4 |
2 |
| (c) |
4 |
3 |
1 |
2 |
| (d) |
2 |
4 |
3 |
1 |
[U.P.P.C.S. (Pre) 2001]
Ans. (c) 4312
-
| The correctly matched order is : |
| A. Central Drug Research Institute |
4. Lucknow |
| B. Central Leprosy Institute |
3. Agra |
| C. Motilal Nehru National Institute of Technology |
1. Allahabad |
| D. Indian Institute of Sugar Technology |
2. Kanpur |
|
101. Match List- I with List- II and select the correct answer using the codes given below in the lists.
| List- I |
List- II |
| (Institute) |
(Location) |
| A. Central Institute of Medicinal and Aromatic Plants |
1. Chandigarh |
| B. Centre for DNA Finger Printing and Diagnostics |
2. Hyderabad |
| C. Institute of Microbial Technology |
3. New Delhi |
| D. National Institute of Immunology |
4. Lucknow |
Code :
|
A |
B |
C |
D |
| (a) |
2 |
4 |
1 |
3 |
| (b) |
4 |
2 |
1 |
3 |
| (c) |
2 |
4 |
3 |
1 |
| (d) |
4 |
2 |
3 |
1 |
[I.A.S. (Pre) 2001]
Ans. (b) 4213
-
| A. Central Institute of Medicinal and Aromatic Plants |
4. Lucknow |
| B. Centre for DNA Finger Printing and Diagnostics |
2. Hyderabad |
| C. Institute of Microbial Technology |
1. Chandigarh |
| D. National Institute of Immunology |
3. New Delhi |
|
102. Where is the National Institute of Virology situated?
(a) Pune
(b) Hyderabad
(c) Mumbai
(d) Lucknow
[M.P. P.C.S. (Pre) 2020]
Ans. (a) Pune
- The National Institute of Virology is located in Pune, Maharashtra.
- It’s run by the Indian Council of Medical Research (ICMR) and was originally created with help from the Rockefeller Foundation.
- It has been chosen as a World Health Organization reference laboratory for South East Asia.
|
103. DNA Fingerprinting and Diagnostics Research Centre is situated at :
(a) Pune
(b) New Delhi
(c) Hyderabad
(d) Kolkata
[U.P. Lower Sub. (Pre) 2013]
Ans. (c) Hyderabad
- The CDFD is a research center in Hyderabad,
- India that is managed by the Department of Biotechnology, a Ministry of Science and Technology from the Government of India.
|
104. Match List-I with List-II and select the correct answer from the code given below the lists :
| List- I |
List- II |
| A. F.A.O. Headquarters |
1. Shimla |
| B. Central Agmark Laboratory |
2. Cuttack |
| C. Institute of Microbial Technology |
3. Rome |
| D. National Institute of Immunology |
4. Nagpur |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
3 |
4 |
2 |
1 |
| (c) |
4 |
3 |
1 |
2 |
| (d) |
3 |
4 |
1 |
2 |
[U.P.P.C.S. (Mains) 2009]
Ans. (b) 3421
-
| The correctly matched lists are as follows : |
| A. F.A.O. Headquarters |
3. Rome |
| B. Central Agmark Laboratory |
4. Nagpur |
| C. Institute of Microbial Technology |
2. Cuttack |
| D. National Institute of Immunology |
1. Shimla |
|
105. Identify a mismatch among the following pairs :
(a) NBRI-Kolkata
(b) IISR – Lucknow
(c) NPL – New Delhi
(d) IISc – Bangalore
[U.P.P.C.S. (Mains) 2005]
Ans. (a) NBRI-Kolkata
- The NBRI is a research center of the CSIR in Lucknow.
- It focuses on taxonomy and modern biology. The other options are correct.
|
106. The National Bureau of Plant Genetic Resources is located at–
(a) Hyderabad
(b) Bangalore
(c) New Delhi
(d) Srinagar
[U.P.P.C.S. (Mains) 2013]
Ans. (c) New Delhi
- The HQ of the National Bureau of Plant Genetic Resources is in New Delhi.
|
107. The world’s first camel hospital is located in which city?
(a) Tehran
(b) Jaipur
(c) Bikaner
(d) Dubai
(e) None of the above/More than one of the above
[65th B.P.S.C. (Pre) 2019]
Ans. (d) Dubai
- The world’s first hospital for camels is in Dubai, United Arab Emirates.
- It is called the “Dubai Camel Hospital” and it only takes care of camels.
|
108. Match List-I with List-II and select the correct answer from the code given below the lists :
| List- I |
List- II |
| A. Testosterone |
1. Sedative drug |
| B. Codeine |
2. Rubber source substance |
| C. Caoutchouc |
3. Aromatic oil of clove |
| D. Eugenol |
4. Hormone |
Code :
|
A |
B |
C |
D |
| (a) |
4 |
1 |
2 |
3 |
| (b) |
1 |
2 |
3 |
4 |
| (c) |
4 |
3 |
2 |
1 |
| (d) |
2 |
3 |
4 |
1 |
[U.P.P.C.S. (Spl.) (Mains) 2008]
Ans. (a) 4123
-
| The correctly matched order is : |
| A. Testosterone |
4. Hormone |
| B. Codeine |
1. Sedative drug |
| C. Caoutchouc |
2. Rubber source substance |
| D. Eugenol |
3. Aromatic oil of clove |
|
109. Match List-I with List-II and select the correct answer using the code given below the lists :
| List-I |
List-II |
| A. Anthrax |
1. Disease due to a defective gene |
| B. Thalassemia |
2. Womb-renting |
| C. Surrogacy |
3. Science of altering genomes |
| D. Transgenics |
4. A toxin used in biowarfare |
Code :
|
A |
B |
C |
D |
| (a) |
4 |
1 |
2 |
3 |
| (b) |
2 |
3 |
4 |
1 |
| (c) |
3 |
2 |
1 |
4 |
| (d) |
1 |
2 |
3 |
4 |
[U.P.P.C.S. (Mains) 2003]
Ans. (a) 4123
-
| The correctly matched lists are as follows : |
| A. Anthrax |
4. A toxin used in biowarfare |
| B. Thalassemia |
1. Disease due to a defective gene |
| C. Surrogacy |
2. Womb-renting |
| D. Transgenics |
3. Science of altering genomes |
|
110. Which one of the following is not correctly matched?
(a) Antifreeze compound – Ethylene glycol
(b) Antiknock agent – Tetraethyl lead
(c) Antioxidant – B-Carotene
(d) Antibiotics – Quinine
[U.P.P.C.S. (Mains) 2010]
Ans. (d) Antibiotics – Quinine
- Quinine is a white powder that is used to treat illnesses like malaria, fever, chills, body aches and swelling.
- It is not a type of medicine like an antibiotic. The facts provided match together correctly.
|
111. In which Indian city the first dianosaurium has been opened?
(a) Mumbai
(b) Jalandhar
(c) Hyderabad
(d) Ahmedabad
[U.P.P.C.S. (Mains) 2004]
Ans. (c) Hyderabad
- The first dinosaur museum has been unveiled in Hyderabad at the B.M Birla Science Center.
|
112. Headquarters of ‘World Health Organization’-
(a) Geneva
(b) Paris
(c) New York
(d) Berlin
[M.P.P.C.S. (Pre) 1995]
Ans. (a) Geneva
- The headquarters of the World Health Organization is in Geneva.
|
113. Where was the first Dental College of the country founded?
(a) Aligarh
(b) Calcutta (Kolkata)
(c) Bombay (Mumbai)
(d) Madras (Chennai)
[M.P.P.C.S. (Pre) 2004]
Ans. (b) Calcutta (Kolkata)
- In 1924, the first-ever Dental College in India was established in Kolkata.
- It was called R. Ahmed Dental College.
|
114. “By Weaving threads of physics, chemistry, and biology into a rich tapestry, this remarkable scientist provided
a unifying molecular view of the world. He touted the wonderful properties of vitamin C, first as a cure for the common cold and later as a preventing agent against cancer”. One of the science’s major figures of all time referred to above is :
(a) G..N. Lewis
(b) Linus Carl Pauling
(c) Fritz London
(d) Walter Heitle
[I.A.S. (Pre) 1995]
Ans. (b) Linus Carl Pauling
- Linus Carl Pauling did a lot of important research in cancer, vitamin C, physics, chemistry, and biology.
- In 1954 he was given the Nobel Prize in Chemistry, and in 1962 he was given the Nobel Peace Prize for his efforts to prevent weapons of mass destruction.
|
115. Which one of the following is useful in the detection of landmines :
(a) Bee
(b) Wasp
(c) Butterfly
(d) Moth
[U.P.P.C.S. (Pre) 2002]
Ans. (a) Bee
- The honey bee is a type of bug that lives in groups and can help detect landmines.
- They make and store honey, and they build their homes out of wax.
|
116. What is the average speed of a bee?
(a) 10 km/h
(b) 5 km/h
(c) 1 km/h
(d) 16 km/h
[M.P.P.C.S. (Pre) 2010]
Ans. (d) 16 km/h
- Bees are part of the Apis family. On average, they fly at a speed of 15 miles per hour (21 kmph).
- When they are carrying food, their speed is about 12 miles per hour (17 kmph). So the best answer is (d).
|
117. How do the members of a honey-bee hive recognize each other?
(a) By smell
(b) By eyes
(c) By dancing
(d) By touching
[39th B.P.S.C. (Pre) 1994]
Ans. (a) By smell
- Honey bees in the hive can identify each other by their unique smell.
- They also use a special scent to make sure they can recognize each other.
- They use dances to show each other where food sources are located.
|
118. The Nobel Prize for deciphering the language of bees was awarded to –
(a) H.G. Khurana
(b) K.V. Frisch
(c) Julian Huxley
(d) Dorothy Hodgkins
[I.A.S. (Pre) 1995]
Ans. (b) K.V. Frisch
- Karl Ritter Von Frisch won the Nobel Prize in Physiology or Medicine in 1973 for his research on how honey bees sense and communicate.
|
119. Which one is a stimulant?
(a) Alcohol
(b) Marijuana
(c) Cigarette
(d) Opium
[Chhattisgarh P.C.S. (Pre) 2003]
Ans. (c) Cigarette
- Alcohol, marijuana, and opium slow the body down, while cigarette smoke has the opposite effect, speeding it up.
|
120. A small pouch containing silica gel is often found in bottles of medicine in tablet or powder form because
of silica gel :
(a) Kills bacteria
(b) Kills germs and spores
(c) Absorbs moisture
(d) Absorbs all gases present inside the bottle
[I.A.S. (Pre) 2000]
Ans. (c) Absorbs moisture
- Silica gel is often found in small paper packets (2×3 cm) and is used to keep goods from spoiling or deteriorating by controlling the humidity.
- The packets usually include warnings not to eat the contents, since silica gel has added chemicals and can absorb moisture.
- It is mainly used to keep medicines fresh.
|
121. For outstanding contribution to which one of the following fields in the Shanti Swaroop Bhatnagar Prize was given?
(a) Literature
(b) Performing Arts
(c) Science
(d) Social Service
[I.A.S. (Pre) 2009]
Ans. (c) Science
- Shanti Swaroop Bhatnagar was a famous Indian scientist and professor of chemistry for 19 years.
- He was the first director-general of the Council of Scientific and Industrial Research (CSIR) and is seen as the ‘father of research laboratories’.
- He was also the first Chairman of the University Grants Commission (UGC). To recognize his name and accomplishments,
- CSIR created an award in his name, the Shanti Swarup Bhatnagar Prize for Science and Technology,
- since 1958, for scientists who made important contributions in various branches of science.
|
122. In eye donation, which one of the following parts of the donor’s eyes is utilized?
(a) Cornea
(b) Lens
(c) Retina
(d) The whole eye
[M.P.P.C.S. (Pre) 2004, I.A.S. (Pre) 2001, I.A.S. (Pre) 1999]
Ans. (a)
- The cornea is the see-through layer in front of the dark part of the eye.
- It can be donated and it helps the eye focus on the retina.
- It is very important for the eye’s vision and if it becomes cloudy or blurry,
- it can cause vision loss.
|
123. The first heart transplant was performed by –
(a) Dr. William Harvey
(b) Sir F.G. Hopkins
(c) Dr. Loues Pasteur
(d) Dr. Christian Bernard
[U.P. Lower Sub. (Pre) 2004, M.P.P.C.S. (Pre) 1994]
Ans. (d) Dr. Christian Bernard
- Dr. Christian Bernard, a well-known South African surgeon, was the first person to do a heart transplant.
- On December 3, 1967, he operated on Louis Washkansky at the Groote Schuur Hospital in Cape Town, South Africa.
|
124. Who among the following had performed the world’s first heart transplant?
(a) Dr. Venugopal
(b) William Harvey
(c) Christian Bernard
(d) William Betrick
[U.P. P.C.S. (Pre) 2021]
Ans. (c) Christian Bernard
- Dr. Christian Barnard, a well-known surgeon from South Africa, carried out the first heart transplant on Louis Washkansky on December 3, 1967, at Groote Schuur Hospital in Cape Town.
|
125. The first human heart transplant was performed in –
(a) America
(b) England
(c) South Africa
(d) France
[56th to 59th B.P.S.C. (Pre) 2015]
Ans. (c) South Africa
- Dr. Christian Bernard, a well-known surgeon from South Africa, completed the first ever heart transplant on Louis Washkansky on December 3rd, 1967 at Groote Schuur Hospital in Cape Town.
|
126. What is Jarvik-7?
(a) Electronic leg
(b) Pacemaker
(c) Artificial heart
(d) Artificial Eye
[U.P.P.C.S. (Pre) 2007]
Ans. (c) Artificial heart
- Robert Jarvik is renowned for inventing the first successful artificial heart, the Jarvik-7.
- In 1982, the world was captivated by the news of the Jarvik-7 being implanted in a patient named Barney Clark.
|
127. What is the function of a pacemaker?
(a) It decreases the heartbeat
(b) It regulates heartbeat
(c) It increases heartbeat
(d) It accelerates blood supply to the heart
[U.P. P.C.S. (Pre) 1999]
Ans. (b) It regulates heartbeat
- A pacemaker is a tiny machine inserted in the chest or belly that helps regulate abnormal heartbeats.
- It uses electrical signals to encourage the heart to beat normally.
|
128. The ‘Pace Maker’ is also known as –
(a) S.A. Nodes
(b) A.V. Nodes
(c) Bundle of His
(d) Chordate tensional
[U.P.P.C.S. (Mains) 2007]
Ans. (a) S.A. Nodes
- The SA-node is like the heart’s “pacemaker” and is the part of the heart that starts the beat.
- It is located in the right upper chamber of the heart.
|
129. A man feels unpleasant due to humidity and heat. The reason for this is :
(a) More sweating
(b) Less sweating
(c) Sweat does not evaporate due to humidity
(d) Sweat is not formed due to humidity
[U.P.P.C.S. (Pre) 1995]
Ans. (c) Sweat does not evaporate due to humidity
- When it’s hot and humid, people don’t feel comfortable because their sweat can’t evaporate.
- When the sweat does manage to evaporate, it makes people feel cooler.
|
130. Which of the following actions is related to the evaporation of sweat?
(a) Exothermic Action
(b) Endothermic Action
(c) Chemical Action
(d) Salty Reaction
[Uttarakhand P.C.S. (Pre) 2010]
Ans. (b) Endothermic Action
- Sweating is a physical process where heat is taken away from the body and released as sweat.
- This process cools the body down because the sweat absorbs the heat from the skin.
- Sweating is not a chemical reaction, only a physical one.
|
131. During dehydration, the substance that is usually lost by the body is :
(a) Sugar
(b) Calcium phosphate
(c) Sodium chloride
(d) Potassium chloride
[U.P.P.C.S. (Mains) 2009, U.P.P.C.S. (Pre) 1998]
Ans. (c) Sodium chloride
- Dehydration is when the body loses too much water and salt, which are needed for it to work properly.
|
132. A dehydrated person should not drink :
(a) Tea
(b) Coffee
(c) Seawater
(d) Alcohol
[U.P. Lower Sub. (Pre) 2015]
Ans. (c) Seawater
- Any liquid, other than seawater, can be used to replace lost fluids in a dehydrated person.
- Tea and coffee contain caffeine, a diuretic that causes water to be lost from the body, but the amount of water absorbed from tea and coffee is much higher than the amount of water lost.
- Alcohol is also a diuretic, but it is not very effective in replacing lost fluids in the body.
- Light beer with less than 4% alcohol can help prevent dehydration, but seawater should not be used as it can cause cells to become dehydrated.
- UPPSC had the wrong answer on their answer key, as seawater was the correct answer.
|
133. What percentage of alcohol in human blood causes death?
(a) 2.0
(b) 3.0
(c) 5.0
(d) 7.0
[Jharkhand P.C.S. (Pre) 2016]
Ans. (c) 5.0
- The amount of alcohol in a person’s blood is called BAC (Blood Alcohol Concentration).
- This is measured as a percentage, with 0.10% meaning that 0.10 g of alcohol is in every 100 ml of blood.
- If a person has more than 0.45% BAC, it could be fatal.
- Option (c) was marked as the correct answer on the JKPSC answer sheet.
|
134. In which faculty is scientist Evan Pavlov known?
(a) Physics
(b) Mathematics
(c) Chemistry
(d) Experimental Psychology
[38th B.P.S.C. (Pre) 1992]
Ans. (d) Experimental Psychology
- Ivan Pavlov was a Russian Psychologist who studied how digestion works in the brain.
- He created the first-ever way to experiment with learning, which he called ‘classical conditioning’.
- He tested this out on dogs and their saliva, and for this work, he won the Nobel Prize in Physiology or Medicine in 1904.
|
135. Normally the pitch of females is –
(a) More than that of males
(b) Slightly low than that of males
(c) Very low than that of males
(d) Exactly the same as that of males
[I.A.S. (Pre) 1994]
Ans. (a) More than that of males
- Women and children usually have higher-pitched voices than men, making their voices sound more pleasing.
- Pitch is determined by the frequency of the sound, and it can make a voice sound either deep or high-pitched.
|
136. Which of the following is responsible for muscle fatigue?
(a) Uric acid
(b) Pyruvic acid
(c) Benzoic acid
(d) Lactic acid
[U.P. R.O./A.R.O. (Mains) 2013]
Ans. (d) Lactic acid
- Lactic acid is a result of not having enough oxygen to fuel your muscles.
- As the lactic acid builds up in the muscles, it makes it harder for them to work properly and causes fatigue.
- As the lactic acid accumulates in the blood, your heart rate and breathing rate speed up.
|
137. Which is not an indicator of climate change?
(a) Floral indicator
(b) Cryogenic indicator
(c) Tectonic indicator
(d) Long-term change
[M.P.P.C.S. (Pre) 2015]
Ans. (d) Long-term change
- Changes over a long period of time are not signs of climate change. Examples of signs of climate change include fossilized plants, glacial changes, continental drift, and pole shifting.
|
138. The largest flower in the world is-
(a) Lotus
(b) Sunflower
(c) Rafesia
(d) Glory Lily
[U.P.P.C.S. (Pre) 1998, 39th B.P.S.C. (Pre) 1994]
Ans. (c) Rafesia
- The Rafesia plant is the biggest flower in the world, and it’s hard to believe because it has no leaves, roots, or stem.
- Sir Stamford Raffles described it as “perhaps the largest and most magnificent flower in the world” when he found it in 1818.
- It was named after himself and his companion, Dr. James Arnold.
|
139. Match List-I with List-II and select the correct answer by using the codes given below the lists :
| List- I |
List- II |
| A. Fruit |
1. Ovule |
| B. Seed |
2. Leaf |
| C. Wood |
3. Stem |
| D. Starch |
4. Ovary |
Code :
|
A |
B |
C |
D |
| (a) |
2 |
1 |
3 |
4 |
| (b) |
4 |
1 |
3 |
2 |
| (c) |
2 |
3 |
1 |
4 |
| (d) |
4 |
3 |
1 |
2 |
[I.A.S. (Pre) 1998]
Ans. (b) 4132
-
| The correctly matched order is : |
| Fruit |
Ovary |
| Seed |
Ovule |
| Wood |
Stem |
| Starch |
Leaf |
|
140. Match List-I (Physiological processes) with List-II (Cell organelles) and select the correct answer by using the
codes are given below :
| List- I |
List- II |
| A. Photosynthesis |
1. Plasma membrane |
| B. Mineral uptake |
2. Chloroplast |
| C. Respiration |
3. Mitochondria |
| D. Protein synthesis |
4. Ribosomes |
Code :
|
A |
B |
C |
D |
| (a) |
1 |
2 |
3 |
4 |
| (b) |
1 |
2 |
4 |
3 |
| (c) |
2 |
1 |
3 |
4 |
| (d) |
2 |
1 |
4 |
3 |
[I.A.S. (Pre) 1996]
Ans. (c) 2134
-
| The correctly matched order is : |
| Photosynthesis |
Chloroplast |
| Mineral uptake |
Plasma membrane |
| Respiration |
Mitochondria |
| Protein synthesis |
Ribosomes |
|
141. Who discovered that plants and trees also have life?
(a) Robert Koch
(b) J.C. Bose
(c) Benjamin Franklin
(d) Louis Pasture
[M.P.P.C.S. (Pre) 2015]
Ans. (b) J.C. Bose
- The Indian scientist Jagdish Chandra Bose found that plants and trees have their own form of life.
|
142. In cold storages decomposition of fruits and vegetables:
(a) Ends forever
(b) Gets stopped for some time
(c) Remains unaffected
(d) Gets retarded
[Uttarakhand P.C.S. (Pre) 2005]
Ans. (d) Gets retarded
- Foods and other items can be kept fresh for a longer period of time by storing them at a low temperature.
- This stops the growth of micro-organisms which can cause spoilage.
- Low temperature won’t kill the micro-organisms like high temperature can, but it will slow down their activity.
|
143. Camels use their hump for :
(a) Storage of water
(b) Storage of fat
(c) To make balance of body while moving on sand
(d) To regulate the temperature
[I.A.S. (Pre) 1993]
Ans. (b) Storage of fat
- A camel has a big lump on its back that weighs 50 kg.
- This is where the camel stores fat which it uses as energy for its long trips.
- That’s why camels are known as the ‘ship of the desert’ because of their special features like their padded legs and the ability to drink gallons of water at once.
|
144. Which animal can not digest fibers properly?
(a) Goat
(b) Cow
(c) Elephant
(d) Pig
[U.P.P.C.S. (Pre) 1991]
Ans. (d) Pig
- Pigs are animals that eat both meat and plants but cannot break down plant fibers very well. Goats, cows, and elephants,
- on the other hand, have special bacteria in their stomachs that help them digest plant fibers.
|
145. What does the philatelist do?
(a) Collects the coins
(b) Collects stamps
(c) Collects the pictures of birds
(d) Collects the feathers
[Jharkhand P.C.S. (Pre) 2010]
Ans. (b) Collects stamps
- Philatelist collects postage stamps.
|
146. A biojector is :
(a) An H.I.V. immunisation syringe
(b) A bio-plastic injector
(c) A painless needle injector
(d) A painless needleless injector
[U.P.P.C.S. (Pre) 1997]
Ans. (d) A painless needleless injector
- The Biojector is a revolutionary, flexible needle-free injection system that has been used for millions of injections in various medical environments.
|
147. Robert Webster is known for his work associated with which one of the following ?
(a) Cardiology
(b) Influenza virus
(c) HIV/AIDS
(d) Alzheimer
[I.A.S. (Pre) 2007]
Ans. (b) Influenza virus
- Rob Webster is an expert on bird flu. He is well-known around the world for his knowledge on the structure and function of flu virus proteins, and for inventing new vaccines and anti-virals.
|
148. Who discovered bacteria?
(a) Fleming
(b) Lamble
(c) Temin
(d) Leeuwenhoek
[56th to 59th B.P.S.C. (Pre) 2015]
Ans. (d) Leeuwenhoek
- Antony Van Leeuwenhoek is seen as the founder of microbiology and is remembered for his discovery of bacteria.
- He was born on October 24, 1632, in Delft, Netherlands.
|
149. Jonas Salk is known for the discovery of –
(a) Smallpox vaccine
(b) Cholera vaccine
(c) Polio vaccine
(d) None of the above
[U.P. U.D.A./L.D.A. (Spl.) (Pre) 2010]
Ans. (c) Polio vaccine
- Jonas Edward Salk was an American scientist who invented a successful polio vaccine.
- He was born in New York City and went to medical school there, but decided to pursue research instead of becoming a doctor.
|
150. Match List-I (Scientists) with List-II (Achievements) and select the correct answer using the codes given below:
| List- I |
List- II |
| (Scientists) |
(Achievements) |
| A. Arber and Smith plants with Agrobacterium T-DNA |
1. Developed transgenic |
| B. Feldman endonucleases |
2. Discovered |
| C. Mullis transcriptase |
3. Discovered reverse |
| D. Temin and Baltimore chain reaction |
4. Discovered polymerase |
Code :
|
A |
B |
C |
D |
| (a) |
2 |
1 |
4 |
3 |
| (b) |
1 |
2 |
4 |
3 |
| (c) |
2 |
1 |
3 |
4 |
| (d) |
1 |
2 |
3 |
4 |
[I.A.S. (Pre) 2002]
Ans. (a) 2143
-
| (Scientists) |
(Achievements) |
| A. Arber and Smith plants with Agrobacterium T-DNA |
2. Discovered |
| B. Feldman endonucleases |
1. Developed transgenic |
| C. Mullis transcriptase |
4. Discovered polymerase |
| D. Temin and Baltimore chain reaction |
3. Discovered reverse |
|
151. Which of the following pairs is/are correctly matched?
1. Francis Collins: Mapping the human genome
2. Sergey Brin: Google Search Engine
3. Jimmy Wales: Wikipedia
Code :
(a) 1 and 2
(b) 2 and 3
(c) 3 only
(d) 1, 2 and 3
[I.A.S. (Pre) 2008]
Ans. (d) 1, 2 and 3
- Francis Sellers Collins is a doctor and scientist known for his discoveries related to diseases.
- He is also the director of the National Institutes of Health.
- Sergey Mikhaylovich Brin is an American computer scientist and businessperson who co-founded Google.
- Jimmy Donal “Jimbo” Wales is a famous internet entrepreneur who created Wikipedia and the for-profit Wikia company.
|
152. Which scientist has propounded the ‘erosional cycle’?
(a) Penck
(b) Davis
(c) Hutton
(d) Dutton
[44th B.P.S.C. (Pre) 2000]
Ans. (b) Davis
- William Morris Davis put forward a theory of how erosion shapes rivers and the ground around them.
- He called it the geographic cycle of erosion, which suggests that over time, erosion can wear down landforms or even erase them completely.
|
153. Auxanometer is used –
(a) To measure the rate of photosynthesis
(b) To measure the rate of growth
(c) To measure the rate of osmosis
(d) To measure the loss of energy
[U.P.P.C.S. (Mains) 2010]
Ans. (b) To measure the rate of growth
- An auxanometer is a tool that is used to measure how fast plants are growing.
|
154. A person of mixed European and Indian blood in Latin America is called –
(a) Mulatto
(b) Mestizo
(c) Meiji
(d) Maumau
[I.A.S. (Pre) 1999]
Ans. (b) Mestizo
- In Latin America, someone with both European and Indigenous ancestry is called a mestizo.
- The Spanish word mestizaje, which comes from mestizo meaning ‘mixed’, refers to the process of blending different ancestries together.
|
155. The age of most ancient mountain group is assessed by –
(a) Potassium-organ process
(b) C14 process
(c) Ra-Siprocess
(d) Uranium-Lead process
[39th B.P.S.C. (Pre) 1994]
Ans. (d) Uranium-Lead process
- The Uranium-lead (U-Pb) method is a very reliable way to find out the age of mountain rocks that are over 1 million years old.
- Radiocarbon dating, also called carbon dating or carbon-14 dating, is used to figure out the age of objects made of organic material (like fossils of animals and plants) by looking at the properties of radiocarbon C-14, which is a type of radioactive carbon.
|
156. Carbon dating is used to determine the age of –
(a) Fossils
(b) Plants
(c) Rocks
(d) None of the above
[Uttarakhand P.C.S. (Pre) 2006]
Ans. (a) Fossils
- The Uranium-lead (U-Pb) method is a reliable way to find out the age of old rocks that are over a million years old.
- Radiocarbon dating, also known as carbon dating, can be used to determine the age of items made from organic material (such as fossils of animals and plants) by looking at the characteristics of radiocarbon C-14, which is a form of radioactive carbon.
|
157. The age of the tree, in years, can be ascertained by:
(a) Its weight
(b) Its height
(c) The number of its annular rings
(d) Length of its root
[U.P.P.C.S. (Pre) 2000]
Ans. (c) The number of its annular rings
- You can tell how old a tree is by counting the rings in its trunk. Each ring represents one year of the tree’s life.
|
158. Liver fluke in bile duct remains in –
(a) Horse
(b) Cow
(c) Man
(d) Sheep
[R.A.S./R.T.S. (Pre) 1997]
Ans. (d) Sheep
- Liver fluke is a type of parasite that is commonly found inside the bile ducts and passages of the liver of sheep, so it is often called the “sheep liver fluke”.
- It can also be found in pigs, goats, and other mammals.
- These animals are the parasite’s primary host, while snails act as its intermediate host.
|
159. Which one of the following is responsible for the differentiation between Gram-positive and Gram-negative bacteria?
(a) Cell membrane
(b) Cell wall
(c) Ribosome
(d) None of the above
[Jharkhand P.C.S. (Pre) 2013]
Ans. (b) Cell wall
- Bacteria have two types of cell walls: Gram-positive and Gram-negative.
- These terms come from the results of the Gram stain test which is used to identify different types of bacteria.
- Gram-positive bacteria have thick walls made up of many layers of peptidoglycan and teichoic acids.
- Gram-negative bacteria have thinner walls made of a few layers of peptidoglycan surrounded by a membrane containing lipopolysaccharides and lipoproteins.
|
160. Estuaries possess distinct blooms of excessive growth of pigmented dinoflagellates. These blooms are
(a) Red tides
(b) Sea tides
(c) Black tides
(d) Sea flowers
[I.A.S. (Pre) 1998]
Ans. (a) Red tides
- An estuary is an area along the coast where freshwater from rivers and streams mix with salt water from the ocean.
- The water in estuaries is usually brackish. Dinofagellates algae in the sediment cause the water to have a reddish color, which is called a red tide.
|
161. Consider the following statements :
1. The common blue-green algae, Spirogyra and Ulothrix, are found in both freshwater ponds and oceans.
2. The chameleon can look ahead with one eye, and at the same time look behind with another.
Which of these statements is correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
[I.A.S. (Pre) 2003]
Ans. (b) Only 2
- Spirogyra is a type of green algae with chlorophyll which produces its own food through photosynthesis.
- It is commonly known as pond silk or blanket weed and typically found in freshwater streams and ponds.
- The chameleon is a type of lizard that has unique eyes which can move independently, allowing it to have a 180 degree field of vision.
- It also has the ability to change its skin colour.
|
162. Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to
1. Resist drought and increase absorptive area.
2. Tolerate extremes of pH.
3. Resist disease infestation.
Select the correct answer using the codes given below
(a) Only 1
(b) 2 and 3
(c) 1 and 3
(d) All of these
[I.A.S. (Pre) 2013]
Ans. (d) All of these
- A mycorrhiza is a relationship between a fungus and the roots of a plant.
- It is usually beneficial to both parties.
- The fungus lives in the roots and helps the plant survive in tough conditions like dryness and extreme pH levels.
- It also helps protect the plant from diseases.
- Mycorrhizas are important for the life of the soil and the chemistry of the soil.
|
163. Phytotron is a facility to –
(a) grow plants under disease-free conditions
(b) conserve endangered species of plants
(c) grow plants under controlled conditions
(d) induce mutations
[I.A.S. (Pre) 2000]
Ans. (c) grow plants under controlled conditions
- A phytotron is a special greenhouse where plants are grown and studied while being in a controlled environment.
- It allows researchers to observe how plants react to different conditions.
|
164. Polyhouse is used for –
(a) Growing plants
(b) Storing grain
(c) Storing vegetables
(d) None of the above
[Uttarakhand P.C.S. (Mains) 2006]
Ans. (a) Growing plants
- A polytunnel is a type of tunnel made from polyethylene that is usually curved or square.
- It is used in farming to protect plants from harsh weather conditions such as sun, hail, and storms.
|
165. Angora wool is extracted from :
(a) Rabbit
(b) Fox
(c) Goat
(d) Sheep
(e) None of the above/More than one of the above
[66th B.P.S.C. (Pre) (Re. Exam) 2020]
Ans. (a) Rabbit
- The fur from Angora rabbits is called ‘Angora wool’ and is different from the fur that comes from Angora goats, which is called ‘mohair’.
|
166. Angora wool is obtained from a breed of –
(a) Sheep
(b) Fox
(c) Rabbit
(d) Tibetan Deer
[Uttarakhand P.C.S. (Mains) 2002, U.P.P.C.S. (Mains) 2010]
Ans. (c) Rabbit
- The Angora rabbit is the source of Angora wool, which is their soft and fluffy fur.
- It is different from mohair, which comes from Angora goats.
|
167. Some marine animals and insects emit light from their body in the darkness. This phenomenon is known as
(a) Phosphorescence
(b) Bioluminescence
(c) Both (a) and (b)
(d) None of these
[U.P.P.C.S. (Pre) 2014]
Ans. (b) Bioluminescence
- Bioluminescence is when living organisms create light from a chemical reaction.
- To make this light, two special compounds are needed; luciferin and either luciferase or photoprotein.
- Luciferin is the one that produces the light.
- Most bioluminescent organisms are found in the sea, such as fish, bacteria, and jellyfish.
- Phosphorescence is when energy is absorbed by a substance and then slowly released as light.
|
168. High-yielding advanced seeds were used in the ‘Green Revolution’, for which the necessary is –
(a) Less fertilizer and less water
(b) More fertilizer and less water
(c) Less fertilizer and more water
(d) More fertilizer and more water
[U.P. U.D.A./L.D.A. (Pre) 2001]
Ans. (d) More fertilizer and more water
- The Green Revolution is about increasing crop production in large amounts in developing countries.
- To do this, more advanced, high-yielding seeds were used, which required more fertilizers and water.
|
169. Match List-I with List-II and select the correct answer by using the codes given below :
| List- I |
List- II |
| A. Green Revolution |
1. Oil Seeds |
| B. White Revolution |
2. Food grains |
| C. White Revolution |
3. Fish and Aquaculture |
| D. Blue Revolution |
4. Milk and milk products |
Code :
|
A |
B |
C |
D |
| (a) |
2 |
1 |
4 |
3 |
| (b) |
2 |
4 |
1 |
3 |
| (c) |
3 |
4 |
1 |
2 |
| (d) |
1 |
2 |
3 |
4 |
[U.P.P.C.S. (Mains) 2011]
Ans. (b) 2413
-
| The correctly matched order is : |
| A. Green Revolution |
2. Food grains |
| B. White Revolution |
4. Milk and milk products |
| C. White Revolution |
1. Oil Seeds |
| D. Blue Revolution |
3. Fish and Aquaculture |
|
170. Which was the principal plant used in the Green Revolution?
(a) Japonica Rice
(b) Indian Rice
(c) Emmer Wheat
(d) Mexican Wheat
[Uttarakhand P.C.S. (Pre) 2010]
Ans. (d) Mexican Wheat
- The main grain that was used in the Green Revolution was Mexican wheat.
|
171. ‘Dapog’ method of rice nursery was developed in –
(a) China
(b) Indonesia
(c) Japan
(d) Philippines
[U.P.P.C.S. (Mains) 2010]
Ans. (d) Philippines
- The ‘Dapog’ technique of growing rice seedlings was created in the Philippines and has since been brought to India.
- The best part about it is that it only requires 25-30 square meters of space to produce enough seedlings to cover one hectare.
|
172. The first dwarf rice variety developed in India was –
(a) IR-8
(b) Jaya
(c) Padma
(d) Ratna
[U.P.P.C.S. (Mains) 2010]
Ans. (b) Jaya
- The first type of short-strawed rice grown in India was called Jaya.
|
173. Which component of plants receives stimulus for flowering?
(a) Stems
(b) Branches
(c) Leaves
(d) Roots
[Jharkhand P.C.S. (Pre) 2013]
Ans. (c) Leaves
- The leaves of a plant receive light, energy, and carbon dioxide, which encourages the plant to flower.
- The leaves also make food for the flowering plant.
- Additionally, the leaves produce a hormone called florigen which encourages flowering.
|
174. Insectivorous fish used for mosquito control are:
(a) Hilsa
(b) Labeo
(c) Gambusia
(d) Mystus
[U.P.P.C.S (Pre) 2011]
Ans. (c) Gambusia
- Gambusia is a large group of fish that belongs to the Poeciliidae family (order Cyprinodontiformes).
- When they are released into ponds and wells, they help get rid of mosquitoes.
- They are usually 3-5 cm long and eat mosquito larvae and eggs, which helps to stop the spread of diseases like dengue and malaria.
|
175. The release of which one of the following in ponds and wells helps in controlling mosquitoes?
(a) Crab
(b) Dogfish
(c) Gambusia fish
(d) Snail
[I.A.S. (Pre) 2008]
Ans. (c) Gambusia fish
- Gambusia is a large group of fish from the Poeciliidae family (order Cyprinodontiformes).
- When released into ponds and wells, they help reduce mosquito populations and the diseases they can spread, such as dengue and malaria.
- These fish are usually 3-5cm long and they feed on mosquito larvae and eggs, which helps control the spread of these diseases.
|
176. Active acquired immunity is the result of the production of –
(a) Antibodies
(b) Vaccine
(c) Serum
(d) Virus that can be executed
[R.A.S./R.T.S. (Pre) 1994]
Ans. (a) Antibodies
- The body’s immune system produces special proteins called antibodies, or immunoglobulins, to protect against infections from bacteria and viruses.
- These antibodies are made by a type of white blood cell called B cells.
- This type of immunity is known as active acquired immunity.
|
177. Consider the following as objectives of the New Science and Technology Policy, 2003 and state which is/are
correctly stated, with the help of codes given below :
1. Optimal utilization of existing physical and knowledge resources.
2. Development of innovative technologies.
3. Development of systems and technologies for mitigation and management of natural hazards.
4. Management of intellectual property.
Codes :
(a) 1 and 2 only
(b) 1, 2 and 3 only
(c) 1, 3 and 4 only
(d) All the four
[U.P.P.C.S. (Pre) 2008]
Ans. (d)
- On January 3, 2003, the Science and Technology Policy, 2003 was launched at the 90th National Science Congress in Bengaluru.
- This policy aims to create new innovative ideas, make use of resources that already exist, create new technologies, develop systems for managing natural disasters, and organize intellectual property.
|
178. The first country to impose a ban on the sale of tobacco and its products is
(a) Sri Lanka
(b) Norway
(c) Bhutan
(d) Myanmar
[Uttarakhand P.C.S. (Pre) 2005]
Ans. (c) Bhutan
- Bhutan was the first country to stop selling tobacco and related products in December 2004.
|
179. Which of the following planets may be suitable for the existence of life?
(a) Mars
(b) Mercury
(c) Venus
(d) Jupiter
[U.P. P.C.S. (Pre) 2018]
Ans. (a) Mars
- People are very interested in finding out if life can exist on Mars because it is close to Earth and similar to it in some ways.
- Scientists are currently looking for signs that Mars could be a place where life could survive and for organic substances.
|
180. Development of the natural systems is described as follows:
(a) Function of the systems
(b) Evolution of the systems
(c) Self-sustained process of the systems
(d) None of the above
[53rd to 55th B.P.S.C. (Pre) 2011
Ans. (c)
- Nature takes care of itself. The way nature works is a self-maintaining cycle.
|
181. Scientists of the Chandra Shekhar Azad University of Agricultural and Technology have developed a substance that can reduce the percentage of flower droppings in pulses so as to enhance pulse production.
Which is that substance?
(a) An insecticide called TIVA
(b) A fertilizer called TIVA
(c) A nutrient mixture called TIVA
(d) A growth hormone called TIVA
U.P.P.C.S. (Mains) 2007
Ans. (d) A growth hormone called TIVA
- TIVA is an abbreviation for total intravenous anesthesia, which is a type of general anesthesia that uses only medicines given through the veins and does not involve the use of any gases, including nitrous oxide.
|
182. The knowledge that we gain from school is called :
(a) Procedural memory
(b) Semantic memory
(c) Declarative memory
(d) Episodic memory
[U.P. P.C.S. (Mains) 2017]
Ans. (b) Semantic memory
- Semantic memory holds all of the details we’ve picked up about the world throughout our lives.
- This includes facts, thoughts, meanings, and ideas related to our environment.
- It is part of long-term memory, so the knowledge we learn in school is stored in semantic memory.
|
183. Mental activity, that goes on in the brain when a person is processing information, is called
(a) mentation
(b) a concept
(c) thinking
(d) mental imagery
[U.P. P.C.S. (Mains) 2017]
Ans. (c) thinking
- When a person is trying to make sense of or share information, their brain is doing a mental activity called “thinking”.
- Thinking is the most important activity for humans – it is what has led to all our successes and achievements, like civilization, knowledge, science, and technology.
- Thinking is an essential part of human existence.
|
