1. Food poisoning is due to –
(a) E. coli
(b) Salmonella bacilli
(c) Pseudomonas
(d) Candida
[Uttarakhand P.C.S. (Pre) 2005]
Ans. (b) Salmonella bacilli
- Salmonella is a type of bacteria that makes people sick with illnesses such as typhoid fever, food poisoning, and stomach flu.
- People usually get it by drinking or eating contaminated water or food.
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2. Food poisoning (Botulism) is caused by infection of a species of –
(a) Azotobacter
(b) Lactobacillus
(c) Clostridium
(d) Rhizobium
[U.P. Lower Sub. (Pre) 2013]
Ans. (c) Clostridium
- Botulism is an uncommon but dangerous bacterial sickness.
- Certain bacteria called Clostridium botulinum can be found in food and make dangerous poisons.
- These bacteria can enter the body through cuts or by eating contaminated food that has not been canned or stored correctly.
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3. Botulism is :
(a) Food-borne infection
(b) Food-borne intoxication
(c) Water-borne infection
(d) Water-borne intoxication
[U.P. P.C.S. (Pre) 2021]
Ans. (b) Food-borne intoxication
- Botulism is a very serious and rare condition that is caused by a toxin made by bacteria called Clostridium botulinum, C. butyricum, and C. baratli.
- This toxin can attack your body’s nerves, making it hard to breathe, causing muscle paralysis, and even death.
- There are three main types of botulism, which are foodborne botulism, wound botulism, and infant botulism.
- Foodborne botulism is when the bacteria and its toxin form in food with low oxygen levels, like home-canned food.
- Wound botulism is when the bacteria and its toxin form in a wound. Infant botulism is the most common type, and it
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4. D.P.T. vaccine is given to protect from
(a) Tetanus, Polio, Plague
(b) T.B., Polio, Diphtheria
(c) Diphtheria, Whooping Cough, Tetanus
(d) Diphtheria, Polio, Leprosy
[U.P.P.C.S. (Mains) 2013]
Ans. (c) Diphtheria, Whooping Cough, Tetanus
- The Triple Antigen DPT Vaccine is a group of vaccines put together to protect against three different illnesses caused by bacteria: diphtheria, whooping cough, and tetanus. These illnesses are very serious.
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5. DPT vaccines are used for –
(a) Diphtheria, pertussis, tetanus
(b) Polio, diphtheria, T.B.
(c) Tetanus, T.B., polio
(d) T.B., Typhoid, Polio
[M.P.P.C.S. (Pre) 1992]
Ans. (a) Diphtheria, pertussis, tetanus
- The Triple Antigen DPT Vaccine is a combination of vaccines that defends against three bacterial illnesses: diphtheria, whooping cough, and tetanus.
- These illnesses can be very serious.
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6. The Triple Antigen DPT is given to children to prevent
(a) Diphtheria, Polio, Small Pox
(b) Polio, Diphtheria, Tetanus
(c) Small Pox, Pertussis, Tetanus
(d) Diphtheria, Pertussis, Tetanus
[U.P.R.O./A.R.O. (Mains) 2013]
Ans. (d) Diphtheria, Pertussis, Tetanus
- The Triple Antigen DPT Vaccine is a combination of 3 different vaccines that help protect against 3 dangerous diseases caused by bacteria: diphtheria, whooping cough, and tetanus.
- These illnesses can be very serious.
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7. For which one of the following DPT vaccines is not used ?
(a) Diphtheria
(b) Polio
(c) Whooping cough
(d) Tetanus
[U.P.P.S.C. (GIC) 2010]
Ans. (b) Polio
- The Triple Antigen DPT Vaccine is a combination of three different vaccines that protect against three diseases caused by bacteria: diphtheria, whooping cough, and tetanus.
- These illnesses can be very dangerous.
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8. The triple antigen is given to a child to prevent :
(a) Polio, smallpox, diphtheria
(b) Diphtheria, whooping cough, tetanus
(c) Smallpox, whooping cough, tetanus
(d) Polio, tetanus, whooping cough
[U.P. Lower Sub. (Pre) 2004]
[U.P.P.C.S. (Pre) 1994]
Ans. (b) Diphtheria, whooping cough, tetanus
- The Triple Antigen DPT Vaccine is a combination of vaccines designed to protect against three dangerous illnesses caused by bacteria: diphtheria, whooping cough, and tetanus.
- These illnesses can be very serious.
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9. What is the importance of using Pneumococcal Conjugate Vaccines in India?
1. These vaccines are effective against pneumonia as well as meningitis and sepsis.
2. Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced.
3. These vaccines have no side effects and cause no allergic reactions.
Select the correct answer using the code given below:
(a) 1 only
(b) 1 and 2 only
(c) 3 only
(d) 1, 2 and 3
[I.A.S. (Pre) 2020]
Ans. (b) 1 and 2 only
- Pneumococcal Conjugate Vaccine (PVC) is a vaccine used to help protect infants, young children, and adults from illnesses caused by the streptococcus pneumoniae bacteria.
- According to the Lancet Report (2017), these vaccines are effective at least 80 percent of the time against meningitis, sepsis, and bacteremic pneumonia, and they have reduced the amount of antibiotic-resistant diseases worldwide.
- Although statement 1 and 2 are true, statement 3 is not correct because the vaccine can cause side effects such as decreased appetite, fever, irritability, and reactions at the injection site, as well as allergic reactions such as difficulty breathing, hoarseness, fast heartbeat, and dizz
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10. Which of these is not a viral disease?
(a) Measles
(b) Rabies
(c) Polio
(d) Tuberculosis
[U.P. RO/ARO (Mains) 2017]
Ans. (d) Tuberculosis
- Measles, Rabies, and Polio are illnesses caused by viruses, while Tuberculosis is caused by bacteria called Mycobacterium tuberculosis and usually affects the lungs.
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11. Which one of the following antimicrobial drugs, is suitable for treatment of both tuberculosis and leprosy?
(a) Isoniazid
(b) P-amino salicylic acid
(c) Streptomycin
(d) Rifampicin
[I.A.S. (Pre) 1995]
Ans. (b) P-amino salicylic acid
- P-amino salicylic acid is a medicine used to treat tuberculosis and leprosy. Tuberculosis is an illness caused by the bacteria ³Micobacterium tuberculosis´.
- The World Health Organisation reports that tuberculosis is currently the leading cause of death in the world.
- In India, it is estimated that around 400,000 to 500,000 people die from tuberculosis each year, which is approximately a third of the total number of deaths worldwide.
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12. According to the World Health Organization (WHO), the disease which causes the death of the largest number of people today is :
(a) AIDS
(b) Tuberculosis
(c) Malaria
(d) Ebola
[I.A.S. (Pre) 1996]
Ans. (b) Ebola
- P-amino salicylic acid is a medication used to treat tuberculosis and leprosy.
- Tuberculosis is a sickness caused by the bacteria ‘Micobacterium tuberculosis’.
- The World Health Organisation has reported that tuberculosis is the number one cause of death in the world.
- It is thought that in India, around 400,000 to 500,000 people die from it every year, which is about one-third of all deaths from tuberculosis all over the world.
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13. Every year 5 lacs of Indians die of a disease. Identify it-
(a) Encephalitis
(b) AIDS
(c) Cancer
(d) Tuberculosis
[40th B.P.S.C. (Pre) 1995]
Ans. (d) Tuberculosis
- P-amino salicylic acid is a medicine used to fight tuberculosis and leprosy. TB (tuberculosis) is caused by a bacteria called Micobacterium tuberculosis.
- The World Health Organisation states that it is the biggest killer in the world.
- It is estimated that in India, around 400,000-500,000 people die from it annually, which is around a third of all deaths from TB worldwide.
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14. Which one of the following diseases is caused by bacteria?
(a) Tuberculosis
(b) Influenza
(c) Polio
(d) Malaria
[U.P.P.C.S. (Mains) 2010]
[Uttarakhand P.C.S. (Mains) 2006]
Ans. (a) Tuberculosis
- P-amino salicylic acid is a medication used to combat tuberculosis and leprosy.
- Tuberculosis is an infection brought on by a bacteria called ³Micobacterium tuberculosis´.
- The World Health Organisation has reported that tuberculosis is the number one cause of death globally. India is estimated to have 400,000 to 500,000 deaths from tuberculosis each year, which is about a third of the global total.
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15. Tuberculosis is caused by a –
(a) Bacterium
(b) Virus
(c) Fungus
(d) Protozoan
[U.P.P.C.S. (Mains) 2004]
Ans. (a) Bacterium
- P-amino salicylic acid is a type of medicine used to treat tuberculosis and leprosy.
- Tuberculosis is an illness caused by a certain bacteria.
- The World Health Organisation states that tuberculosis is the number one cause of death worldwide.
- It is estimated that in India alone, 400,000 to 500,000 people die from tuberculosis each year, which is almost 1/3 of the global death rate due to tuberculosis.
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16. Which one of the following is NOT correctly matched?
(a) Autoimmune disease – Rheumatoid arthritis
(b) Genetic disease – Tuberculosis
(c) Scabies – Mite
(d) Mental disease – Schizophrenia
[U.P. R.O./A.R.O. (Pre) 2016]
Ans. (b) Genetic disease – Tuberculosis
- P-amino salicylic acid is a medication used to treat tuberculosis and leprosy, two illnesses caused by the bacteria Micobacterium tuberculosis.
- The World Health Organisation has stated that tuberculosis is the most common reason for death in the world.
- In India, it is believed that around 400,000 to 500,000 people die each year from tuberculosis, which is about a third of the total deaths from it around the globe.
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17. A specific test for detection of tuberculosis is :
(a) Robert’s Test
(b) Widal’s Test
(c) Kahn’s Test
(d) Montoux Test
[U.P. Lower Sub. (Mains) 2015]
Ans. (d) Montoux Test
- The TB test can be used to check for tuberculosis.
- This involves injecting a tiny amount of fluid called tuberculin into the skin on the lower arm.
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18. BCG vaccine is used for the prevention of :
(a) Smallpox
(b) Typhoid
(c) Tuberculosis
(d) Plague
(e) None of the above/More than one of the above
[66th B.P.S.C. (Pre) (Re. Exam) 2020]
Ans. (c) Tuberculosis
- BCG vaccine is given to newborns to protect them from getting tuberculosis.
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19. BCG vaccine is given in –
(a) Pneumonia
(b) Whooping cough
(c) Tetanus
(d) T.B.
[U.P.P.C.S. (Pre) 1990]
Ans. (d) T.B.
- The BCG vaccine should be given shortly after a baby is born to protect them from tuberculosis.
- This vaccine can be administered up to 12 months old, but it is most effective when given as soon as possible.
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20. The BCG vaccine must be proculated to a newborn baby within –
(a) 6 months
(b) Seven days
(c) Just after the birth
(d) 48 days
[U.P.P.C.S. (Pre) 1991]
Ans. (c) Just after the birth
- It is best to give a baby the BCG vaccine as soon as they are born to help protect them from tuberculosis. Although the vaccine can be given up to 12 months old, it works best when given right away.
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21. The disease ‘Tetanus’ is also known as
(a) Gangrene
(b) Shingles
(c) Lock jaw
(d) Whooping cough
[U.P.P.C.S. (Spl.) (Mains) 2008]
Ans. (c) Lock jaw
- Tetanus is an infection triggered by the bacteria Clostridium tetani. When these bacteria enter the body through a cut or wound, they make a poison that makes the muscles really stiff and painful.
- This mainly happens in the neck and stomach. It is sometimes referred to as ‘lock jaw’ because it can make it hard to open your mouth or swallow.
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22. Which one of the following is not caused by infected mosquito bite :
(a) Plague
(b) Yellow fever
(c) Malaria
(d) Dengue
[U.P.P.C.S. (Pre) 1997]
Ans. (a) Plague
- Plague is a sickness caused by a type of bacteria called Yersinia pestis.
- It is usually spread to people from wild rodents by fleas.
- If someone is bitten by an infected flea, they will likely get bubonic plague, which causes a bump at the bite site. If the bacteria get into the lungs, the person will have pneumonic plague.
- With bubonic plague, antibiotics can help, but if someone gets pneumonic plague, they can die within a day.
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23. Match the following :
A. By air |
1. Tetanus |
B. By water |
2. T.B. |
C. By contact |
3. Cholera |
D. By wound |
4. Syphilis |
Code :
A B C D
(a) 1 2 3 4
(b) 2 3 4 1
(c) 3 4 1 2
(d) 4 1 2 3
[U.P.P.C.S. (Pre) 1999]
Ans. (b) 2 3 4 1
By air |
T.B. |
By water |
Cholera |
By contact |
Syphilis |
By wound |
Tetanus |
24. Match the following :
A. Plague |
1. Affect the intestines |
B. Filaria |
2. Spreads through flea bites |
C. Beri-beri |
3. Caused by mosquitoes |
D. Typhoid |
4. Due to Vitamin ‘B’ deficiency |
Code :
A B C D
(a) 1 1 3 4
(b) 3 4 1 2
(c) 4 1 2 3
(d) 2 3 4 1
[M.P.P.C.S. (Pre) 1995]
Ans. (d) 2 3 4 1
Plague |
Spreads through flea-bites |
Filaria |
Caused by mosquitoes |
Beri-beri |
Caused by Vitamin ‘B’ defeciency |
Typhoid |
Affect the intestines |
25. Tooth decay is mostly caused by interaction in the mouth between bacteria and food particles of –
(a) Proteins
(b) Carbohydrates
(c) Fats
(d) Salads
[Uttarakhand P.C.S. (Pre) 2005]
Ans. (b) Carbohydrates
- Tooth decay is when the teeth start to break down, usually because of bacteria in the mouth mixing with sugary food. You need four things for this to happen: teeth, bacteria that causes cavities, sugary food, and time.
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26. The reason of dental caries is –
(a) Viral infection
(b) Contaminated water
(c) Bacterial infection
(d) Hereditary reason
[Jharkhand P.C.S. (Pre) 2013]
Ans. (c) Bacterial infection
- If bacteria from the mouth mix with sugary food, it can cause the teeth to break down, which is called tooth decay.
- This requires four elements: teeth, cavity-causing bacteria, sugary food, and time.
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27. People drinking water from a shallow handpump, are likely to suff er from all of the following diseases except:
(a) Cholera
(b) Typhoid
(c) Jaundice
(d) Fluorosis
[I.A.S. (Pre) 1996]
Ans. (d) Fluorosis
- If people get their drinking water from a shallow pump, they could get sick with cholera, typhoid, and jaundice, since bacteria can get into the water and cause diseases.
- Having too much fluoride in the water can also result in fluorosis, which is an issue that affects the teeth and makes them look bad.
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28. Which of the following is a waterborne disease?
(a) Smallpox
(b) Malaria
(c) Cholera
(d) Tuberculosis
[U.P.P.C.S. (Pre) (Re. Exam) 2015]
Ans. (c) Cholera
- Cholera is a sudden illness that causes diarrhea and is caused by a germ called Vibrio cholerae.
- People can get cholera if they consume water or food that has been polluted with this germ.
- The disease can quickly spread in places that have bad sanitation and bad drinking water.
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29. Typhoid and cholera are typical examples of –
(a) Infectious diseases
(b) Airborne diseases
(c) Waterborne diseases
(d) None of the above
[56th to 59th B.P.S.C. (Pre) 2015]
Ans. (c) Waterborne diseases
- Typhoid and cholera are illnesses that spread through water, and can be prevented by making sure drinking water is safe.
- Unfortunately, every year 4 million people die due to water-related illnesses.
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30. Leprosy is caused by –
(a) Bacteria
(b) Virus
(c) Fungus
(d) Protozoa
[U.P.P.S.C.(GIC) 2010]
Ans. (a) Bacteria
- Leprosy, sometimes called Hansen’s disease, is a type of infection that lasts a long time.
- It is caused by bacteria called Mycobacterium leprae
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31. All of the following diseases are caused by virus except:
(a) Jaundice
(b) Influenza
(c) Mumps
(d) Typhoid
[U.P. Lower Spl. (Pre) 2008]
Ans. (d) Typhoid
- Typhoid is caused by a type of bacteria called Salmonella typhi.
- The other three diseases are caused by viruses.
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32. Which one of the following is an antibiotic drug?
(a) Quinine
(b) Sulphaguanidine
(c) Chloramphenicol
(d) Aspirin
(e) None of the above/More than one of the above
[60th to 62nd B.P.S.C. (Pre) 2016]
Ans. (e) None of the above/More than one of the above
- Chloramphenicol is a medicine used to fight bacterial infections.
- Sulphaguanidine is an antibiotic that helps to stop bacteria from growing.
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33. Which of the following is a broad-spectrum drug?
(a) Chloramphenicol
(b) Paracetamol
(c) Xylocaine
(d) Chloroprene
[R.A.S./R.T.S. (Pre) 1999]
Ans. (a) Chloramphenicol
- A broad-spectrum antibiotic is a type of medicine that works against a lot of different kinds of bacteria.
- This is different from a narrow-spectrum antibiotic which only works on a specific group or one type of bacteria.
- Chloramphenicol, also called chloronitromycin, is an example of a broad-spectrum antibiotic and is used to treat serious illnesses like typhoid fever.
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34. Sulfa drugs are effective against diseases caused by :
(a) Bacteria
(b) Worms
(c) Vitamin def ciency
(d) Glandular upsets
[R.A.S./R.T.S. (Pre) 1996]
Ans. (a) Bacteria
- Sulfa drugs are medicines made from substances like sulfanilamide and para-amino benzene sulfonamide. They used to be used to fight bacterial infections, but now antibiotics are usually used instead.
- Some sulfa drugs are also used to treat diabetes.
- Prontosil was the first sulfa drug that was discovered in 1932, and other kinds of sulfa drugs include sulfonamide antibiotics, sulfadiazine, sulfasalazine, sulf soxazole, and sulfacetamide etc
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35. Which one of the following is a Sulpha Drug?
(a) Penicillin
(b) Streptomycin
(c) Cibazole
(d) Asprin
[U.P. P.C.S. (Mains) 2017]
Ans. (c) Cibazole
- Cibazole is a type of anti-bacterial medication that used to be widely used until safer options became available.
- It works on both types of bacteria, and is still used, sometimes combined with other drugs, but usually just for animals. Penicillin and streptomycin are antibiotics, while aspirin is used to reduce fever.
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36. Which of the following are the reasons for the
occurrence of multi-drug resistance in microbial
pathogens in India?
1. Genetic predisposition of some people
2. Taking incorrect doses of antibiotics to cure diseases
3. Using antibiotics in livestock farming
4. Multiple chronic diseases in some people
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 3 and 4
(d) 2, 3 and 4
[I.A.S. (Pre) 2019]
Ans. (b) 2 and 3 only
The Department of Biotechnology (DBT) released a report in November 2017 that showed that the main causes of multidrug resistance (MDR) in microbial pathogens in India are…
- Eating a lot of antibiotics that can treat many different types of infections.
- Using antibiotics in the wrong way.
- Using medicine without a doctor’s prescription, getting antibiotics without a prescription, and taking the wrong amount of antibiotics to try and get better.
- Doing cultural activities such as taking a bath in a river with a lot of people.
- The large amount of antibiotics used in raising farm animals.
- Pollution caused by the pharmaceutical industry.
- Not having good toilets and not treating sewage properly before putting it into lakes, rivers, or oceans.
- Not following good hygiene rules in medical places, etc.
Thus reasons given in statements 2 and 3 are correct. |