Genetic Engineering and Biotechnology – Old Year Questions

1. With reference to the recent developments in science, which one of the following statements is not correct?

(a) Functional chromosomes can be created by joining segments of DNA taken from cells of different species.
(b) Pieces of artificial functional DNA can be created in laboratories.
(c) A piece of DNA taken out from an animal cell can be made to replicate outside a living cell in a laboratory.
(d) Cells taken out from plants and animals can be made to undergo cell division in laboratory petri dishes.

[I.A.S. (Pre) 2019]


2. With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements :
1. Genetic engineering is applied in the development of these vaccines.
2. Bacteria and viruses are used as vectors. Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

[I.A.S. (Pre) 2021]


3. Recombinant DNA Technology (Genetic Engineering) allows genes to be transferred –
1. Across different species of plants.
2. From animals to plants.
3. From microorganisms to higher organisms.
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]


4. Steps of Recombinant DNA technology are given below:
A. Identification and isolation of the genetic material.
B. Fragmentation of DNA.
C. Obtaining the foreign gene product.
D. Downstream processing.
E. Ligation of DNA fragmentation into the vector.
F. Isolation of desired DNA fragments.
G . Amplification of gene of interest.
H. Transfer of Recombinant DNA into the host cell/ organism.

The correct sequence of steps is
(a) C → A → B → D → E → F → G → H
(b) A → D → C → B → E → G → F → H
(c) A → B → F → G → E → H → C → D
(d) H → F → G → E → A → D → B → C

[R.A.S./R.T.S. (Pre) (Re. Exam) 2013]


5. Assertion (A): Scientists can cut apart and paste together DNA molecules at will, regardless of the source of the molecules. Reason (R): DNA fragments can be manipulated using restriction endonucleases and DNA ligases.

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 a correct explanation of (A).
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.

[I.A.S. (Pre) 2001]


6. Which of the following pairs is correctly matched?

(a) DNA – Molecular Scissors
(b) Ligases – Molecular Scissors
(c) Ligases – Molecular Stitchers
(d) Restriction – Molecular Stitchers

[R.A.S./R.T.S. (Pre) (Re. Exam) 2013]


7. What is the Cas9 protein that is often mentioned in the news?

(a) A molecular scissors used in targeted gene editing
(b) A biosensor used in the accurate detection of pathogens in patients
(c) A gene that makes plants pest-resistant
(d) A herbicidal substance synthesized in genetically modified crops

[I.A.S. (Pre) 2019]


8. ‘RNA interference (RNAi)’ technology has gained popularity in the last few years. Why?
1. It is used in developing gene silencing therapies.
2. It can be used in developing therapies for the treatment of cancer.
3. It can be used to develop hormone replacement therapies.
4. It can be used to produce crop plants that are resistant to viral pathogens.
Select the correct answer using the code given below:

(a) 1, 2 and 4
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1 and 4 only

[I.A.S. (Pre) 2019]


9. In the context of recent advances in human reproductive technology, “Pronuclear Transfer” is used for :

(a) fertilization of egg in vitro by the donor sperm
(b) genetic modification of sperm-producing cells
(c) development of stem cells into functional embryos
(d) prevention of mitochondrial diseases in spring

[I.A.S. (Pre) 2020] 


10. In the context of hereditary diseases, consider the following statements :
1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of the egg.
2. A child inherits mitochondrial diseases entirely from the mother and not from the father.
Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

[I.A.S. (Pre) 2021]


11. Assertion (A): Dolly was the first cloned mammal.
Reason (R): Dolly was produced by in-vitro fertilization.

(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 a correct explanation of (A).
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.

[I.A.S. (Pre) 1999]


12. Which of the facts about Dolly (sheep), the first mammal cloned from an adult somatic cell is not correct?

(a) Dolly died in the year 2003
(b) Dolly died due to lung disease
(c) Dolly was born in the year 1998
(d) Dolly was born in Scotland.

[R.A.S./R.T.S. (Pre) 2016]


13. Which of the following is the first living cloned genetically engineered organism by humans –

(a) Dolly
(b) Herman bull
(c) Bony
(d) Superbug

[U.P. Lower Sub. (Pre) 2002]


14. Which one was the first successful cloned animal?

(a) Sheep
(b) Gibbon
(c) Rabbit
(d) None of the above

[Jharkhand P.C.S. (Pre) 2013]


15. Scientists of N.D.R.I., Karnal (Haryana) developed the second clone of which on the following animals?

(a) Sheep
(b) Gibbon
(c) Cow
(d) Goat

[M.P.P.C.S. (Pre) 2012]


16. Garima II is the name of a –

(a) Cloned buffalo
(b) Cloned cow
(c) Cloned sheep
(d) Bttomato

[U.P.P.C.S. (Mains) 2009]


17. Which country has produced the first transgenic glowing pigs that are all green from the inside out?

(a) Korea
(b) Japan
(c) Singapore
(d) Taiwan

[U.P.P.S.C.(GIC) 2010]


18. Injaz, is the name of the world’s first clone:

(a) Camel
(b) Goat
(c) Pig
(d) Sheep

[U.P.P.C.S. (Mains) 2008]


19. Which of the following statements about a clone of an organism is correct?

(a) A clone has characteristics of both its parents
(b) A clone is produced asexually
(c) Identical twins are clones of an organism
(d) Two clones of an organism may not be identical

[R.A.S./R.T.S.(Pre) 2003]


20. In the case of a test-tube baby –

(a) Fertilization takes place inside the test-tube
(b) Development of the baby takes place inside the test
(c) Fertilization takes place outside the mother’s body
(d) Unfertilised egg develops inside the test tube.

[I.A.S. (Pre) 1994]


21. Consider the following effects of genetic engineering :
1. Disease resistance
2. Growth promotion
3. Animal cloning
4. Human cloning
Of the above, that have been tried with a certain amount of success include :

(a) 1, 3 and 4
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1, 2 and 3

[U.P.P.C.S. (Pre) 2003, U.P.P.C.S.(Pre) 2001]


22. Match List-I with List-II and select the correct answer using the codes given below :

List-I (Achievement in Genetics) List II (Scientists)
A. Discovery of transduction and conjugation in bacteria 1. Khorana
B. Establishing the sex-linked inheritance 2. Korenberg
C. Isolation of DNA polymerase from 3. Lederberg
D. Establishing the complete genetic code 4. Morgan
E. coli 5. Ochoa

Code :

(a) 4 3 2 1
(b) 3 4 1 5
(c) 4 3 1 5
(d) 3 4 2 1

[I.A.S. (Pre) 2001]


23. At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a
chromosome. How does this knowledge benefit us?
1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?

(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 1, 2 and 3

[I.A.S. (Pre) 2011]


24. The sequencing of the entire genes of an organism was done in 1996. That organism was –

(a) Albinistic mouse
(b) Yeast
(c) Human being
(d) Plasmodium vivax

[I.A.S. (Pre) 1997]


25. World level program ‘Human Genome Project’ is related to –

(a) Establishment of Superman society
(b) Identification of color-distinct breeds
(c) Genetic improvements in human breeds
(d) Identification and mapping of human genes and their sequence

[U.P.P.C.S. (Pre) 2001]


26. The cells that have the capacity to divide and differentiate into any type of cells in the body are the focus of research on several serious diseases that are

(a) Bud cells
(b) Red cells
(c) Mesangial cells
(d) Stem cells

[U.P.P.C.S. (Pre) 2006]


27. With reference to ‘stem cells’, frequently in the news, which of the following statement(s) is/are correct?
1. Stem cells can be derived from mammals only.
2. Stem cells can be used for screening new drugs.
3. Stem cells can be used for medical therapies.
Select the correct answer using the codes given below:

(a) 1 and 2
(b) 2 and 3
(c) Only 3
(d) 1, 2 and 3

[I.A.S. (Pre) 2012]


28. With reference to the latest developments in stem cell research, consider the following statements :
1. The only source of human stem cells is the embryos at the blastocyst stage.
2. The stem cells can be derived without causing destruction to blastocysts.
3. The stem cells can regenerate themselves in vitro virtually forever.
4. Indian research centers also created a few cell lines that can be developed into many types of tissues.
Which of these statements are correct?

(a) 1, 2, 3 and 4
(b) 1, 2 and 3
(c) 1, 3 and 4
(d) 3 and 4

[I.A.S. (Pre) 2002]


29. Which one of the following statements is not true with regard to the transplantation of stem cells in animals?

(a) They multiply themselves throughout the lifespan of an animal
(b) They repair the damaged tissues of the organs
(c) They have the capacity to produce one or more types of specialized cells
(d) They are found only in the embryo

[R.A.S./R.T.S.(Pre) 2007]


30. Which one of the following is the bioethically noncontroversial source of stem cells as an alternative to the highly controversial embryonic stem cells?

(a) Bone marrow-derived stem cells
(b) Amniotic f uid derived stem cells
(c) Blood of fetus
(d) Blood of babies

[U.P.P.C.S. (Pre) 2008]


31. Consider the following statements:
1. Genetic changes can be introduced in the cells that produce eggs or sperm of a prospective parent.
2. A person’s genome can be edited before birth at the early embryonic stage.
3. Human-induced pluripotent stem cells can be injected into the embryo of a pig.
Which of the statements given above is/are correct?

(a) 1 only
(b) 2 and 3 only
(c) 2 only
(d) 1, 2 and 3

[I.A.S. (Pre) 2020]


32. What is the application of Somatic Cell Nuclear Transfer Technology?

(a) Production of Biolarvicides
(b) Manufacture of biodegradable plastics
(c) Reproductive cloning of animals
(d) Production of organisms free of diseases

[I.A.S. (Pre) 2017]


33. Hybridoma technology is a new biotechnological approach for commercial production of :

(a) Monoclonal antibodies
(b) Interferon
(c) Antibiotics
(d) Alcohol

[I.A.S. (Pre) 2000]


34. The Plant Field Gene Bank at Banthara will :

(a) Preserve endangered varieties of plants
(b) Check piracy of bio-diversity
(c) Identify economically important wild plants
(d) Look after all the above

[U.P.P.C.S.(Pre) 2003, U.P.P.C.S.(Pre) 2001]


35. Consider the following statements :
1. According to the Indian Patents Act, a biological process to create seed can be patented in India.
2. In India, there is no Intellectual Property Appellate Board.
3. Plant varieties are not eligible to be patented in India.
Which of the statements given above is/are correct?

(a) 1 and 3 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3

[I.A.S. (Pre) 2019]


36. Insect-resistant cotton plants have been genetically engineered by inserting a gene from a/an :

(a) Virus
(b) Bacterium
(c) Insect
(d) Plant

[I.A.S. (Pre) 2000]


37. The American multinational company, Monsanto, has produced an insect-resistant cotton variety that is undergoing field trials in India. A toxin gene from which one of the following bacteria has been transferred to this transgenic cotton?

(a) Bacillus subtilis
(b) Bacillus thuringiensis
(c) Bacillus amyloliquifaciens
(d) Bacillus globigii

[I.A.S. (Pre) 2001]


38. The micro-organism which is associated with the production of Bt cotton is a

(a) Fungus
(b) Bacterium
(c) Blue-green algae
(d) Virus

[U.P.P.C. S (Pre) 2010]


39. Assertion (A): Insect-resistant transgenic cotton has been produced by inserting the Bt gene.
Reason (R): The Bt gene is derived from a bacterium.

Code :
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
(b) Both (A) and (R) are true (R) is not a correct explanation of (A).
(c) (A) is true but (R) is true.
(d) (A) is false but (R) is true.

[I.A.S. (Pre) 1999]


40. Bollgard I and Bollgard II technologies are mentioned in the context of :

(a) clonal propagation of crop plants
(b) developing genetically modified crop plants
(c) production of plant growth substances
(d) production of biofertilizers

[I.A.S. (Pre) 2021]


41. A genetically engineered form of brinjal, known as the Bt. brinjal has been developed. The objective of this is –

(a) To make it pest-resistant
(b) To improve its taste and nutritive qualities
(c) To make it drought-resistant
(d) To make its shelf-life longer

[I.A.S. (Pre) 2011]


42. Bt brinjal is –

(a) A new variety of Brinjal
(b) A genetically modified Brinjal
(c) A wild variety of Brinjal
(d) None of the above

[Uttarakhand Lower Sub. (Pre) 2010]


43. Consider the given statements –
1. BT brinjal is created by inserting in its genome, the gene of soil fungus.
2. The seeds of BT brinjal are terminator seeds so farmers have to buy them before every weather from seed companies.
3. This is also a fact that it can affect the user’s health negatively.
4. The other threat is that its insertion may affect adversely bio-diversity.
Choose the right answer according to these codes:

(a) Only 1, 2 & 3
(b) Only 2 & 3
(c) Only 3, 4
(d) 1, 2, 3 & 4

[I.A.S. (Pre) 2012]


44. With reference to the Genetically Modified mustard(GM mustard) developed in India, consider the following statements :
1. GM mustard has the genes of a soil bacterium that give the plant the property of pest resistance to a wide variety of pests.
2. GM mustard has the genes that allow the plant cross-pollination and hybridization.
3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University.
Which of the statements given above is/are correct?

(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3

[I.A.S. (Pre) 2018]


45. Other than resistance to pests, what are the prospects for which genetically engineered plants have been created?
1. To enable them to withstand drought.
2. To increase the nutritive value of the produce.
3. To enable them to grow and do photosynthesis in spaceships and space stations.
4. To increase their shelf life.
Select the correct answer using the code given below

(a) 1 and 2
(b) 3 and 4
(c) 1, 2 and 4
(d) 1, 2, 3 and 4

[I.A.S. (Pre) 2012]


46. With reference to agriculture in India, how can the technique of ‘genome sequencing’, often seen in the news, be used in the immediate future?
1. Genome sequencing can be used to identify genetic markers for disease resistance and drought tolerance in various crop plants.
2. This technique helps in reducing the time required to develop new varieties of crop plants.
3. It can be used to decipher the host-pathogen relationship in crops.
Select the correct answer using the code given below :

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

[I.A.S. (Pre) 2017]


47. Consider the following statements and choose the correct ones using the codes given below :
A . The flavr-savr tomato was the first genetically engineered crop product to be commercialized.
B . Ripe fruits of fl avr-savr remain firm for a longer duration and can be transported to market after
C . Ripe fruits of flavr-savr have color but not the full array of vine-ripened tomato flavors.

Code :

(a) B and C
(b) A, B, and C
(c) A and B
(d) A and C

[R.A.S./R.T.S. (Pre) 2016]


48. Consider the following techniques/ phenomena :
1. Budding and grafting in fruit plants
2. Cytoplasmic male sterility
3. Gene silencing
Which of the above is/are used to create transgenic crops?

(a) 1 only
(b) 2 and 3
(c) 1 and 3
(d) None

[I.A.S. (Pre) 2014]


49. Consider the following kinds of organisms :

1. Bacteria
2. Fungi
3. Flowering plants
Some species of which of the above kinds of organisms are employed as bio-pesticides?

(a) Only 1
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3

[I.A.S. (Pre) 2012]


50. Which one of the following is a microbial insecticide?

(a) Bacillus thuringiensis
(b) Bacillus subtilis
(c) Bacillus polymyxa
(d) Bacillus brevis

[Chhatisgarh P.C.S. (Pre) 2018]


51. Bacillus thuringiensis is used as :

(a) Biofertilizer
(b) Biological insecticide
(c) Chemical fertilizer
(d) Chemical insecticide

[Uttarakhand P.C.S. (Pre) 2012]


52. Indian farmers are unsatisfied with terminator seed technology because it increases the possibility of-

(a) Appearance of bad germination
(b) Making little yield in spite of high-quality plants
(c) Growing sterile plants (sexually)
(d) Growing of plants which are not capable of producing germinable seeds

[I.A.S. (Pre) 1999]


53. The controversial terminator technology backed by developed nations seeks to provide :

(a) Biotechnologically improved variety of seeds which are ensured to yield sterile seeds for next-generation
(b) Transgenic seeds which ensure no-terminating passage of good traits generation after generation
(c) Selective termination of crop diseases
(d) Hybrid seeds that can be eaten but not grown

[U.P.P.C.S. (Pre) 1999]

Ans. (a) Biotechnologically improved variety of seeds which are ensured to yield sterile seeds for next-generation


54. Terminator technology promotes the sale of which of the following that is/are generated by it?

(a) Transgenic fertile seed
(b) Gene modified plants
(c) Genetically engineered seeds sterile in next generation
(d) All of the above

[U.P.P.C.S. (Mains) 2004]


55. Which of the following is a transgenic plant?

(a) Buckwheat
(b) Macaroni wheat
(c) Golden rice
(d) Triticale

[U.P.P.C.S. (Mains) 2012]


56. Assertion (A): ‘Golden rice’ is a biotechnological achievement to the benefit of consumers as much as the farmers.
Reason (R): The yellow color of this rice reflects a high level of beta carotene, a compound that is converted to vitamin A in the body.

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. (Pre) 2000]


57. Golden rice is –

(a) Wild variety of rice with yellow-coloured grains
(b) A variety of rice grown along the Yellow River in China
(c) Long stored rice having yellow color tint
(d) A transgenic rice having the gene for carotene

[R.A.S./R.T.S. (Pre) 2013]


58. The prime utility of ‘Golden Rice’ in combating vitamin-A deficiency, the world’s leading cause of blindness which affects about 250 million children lies in the richness of its kernel in –

(a) Beta carotene
(b) Thiamine
(c) Ascorbic acid
(d) Calciferol

[U.P.P.C.S. (Mains) 2002]


59. Golden rice is rich in –

(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D

[U.P.P.C.S. (Spl) (Mains) 2008, U.P.R.O./A.R.O. (Mains) 2014, U.P. P.C.S. (Mains) 2016, U.P.P.C.S (Pre) 2011]


60. For which desirable character the transgenic crop ‘Golden Rice’ is produced?

(a) Vitamin A
(b) Essential Amino Acids
(c) Insulin
(d) Characteristic Starch

[R.A.S./R.T.S.(Pre) 2008]


61. The Golden Rice contains the β-carotene gene which comes from –

(a) Carrot
(b) Daffodil
(c) Beetroot
(d) Papaya

[Jharkhand P.C.S. (Pre) 2016]


62. Which of the following pairs is NOT correctly matched?

(a) Renneting-Cheese
(b) Genetic Engineering-Plasmids
(c) Golden rice-Vitamin A
(d) Ozone layer-troposphere

U.P. P.C.S. (Pre) 2018


63. ‘Super rice’ was developed by –

(a) M.S. Swaminathan
(b) G.S. Khush
(c) N.E. Borlog
(d) P.K. Gupta

[U.P.P.C.S. (Pre) 2007]


64. Amniocentesis is a method used to determine the

(a) Foetal sex
(b) Kind of amino acids
(c) Sequence of amino acids in protein
(d) Type of hormones

[U.P.P.C.S (Pre) 2011]


65. In the context of the developments in Bioinformatics, the term ‘transcriptome’, sometimes seen in the news,
refers to :

(a) a range of enzymes used in genome editing
(b) the full range of mRNA molecules expressed by an organism
(c) the description of the mechanism of gene expression
(d) a mechanism of genetic mutations taking place in cells

[I.A.S. (Pre) 2016]


66. Who synthesized the DNA in vitro?

(a) Arthur Kornberg
(b) Robert Hooke
(c) Edward Jenner
(d) Joseph Lister

[56th to 59th B.P.S.C. (Pre) 2015]


67. Biochip contains –

(a) RNA
(b) DNA
(c) RNA and DNA
(d) RNA, DNA and Protein

[U.P.P.C.S. (Mains) 2008]


68. Genico Technology is –

(a) Defence system for prevention from AIDS
(b) A method for the development of species for food crops
(c) Technique for pre-information regarding genetic diseases
(d) Technique for prevention of cataracts

[U.P.P.C.S. (Pre) 1999]


69. Which work among these falls into the category of Biotechnology?

(a) Use of the organism or their substances in industrial processes
(b) Modernization of the process of commercial industries to produce the goods used in Bio-exploration
(c) Use of modern technology in research of biological mutilation
(d) Use of industrial technology to increase the biosphere

[I.A.S. (Pre) 1993]


70. Which of the following has recently evolved in Genetic Engineering?

(a) Gene analysis
(b) Gene mapping
(c) Gene splicing
(d) Gene synthesis

[Uttarakhand P.C.S. (Pre) 2006]


71. Which of the following is used in genetic engineering?

(a) Plastid
(b) Plasmid
(c) Mitochondria
(d) Ribosome

[U.P.P.C.S. (Pre) (Re. Exam) 2015]


72. With reference to bacteriophages, which statement/s is/ are correct?

1. Bacteriophages are viruses that infect bacteria.
2. Bacteriophages are used in genetic engineering.
Select the correct answer using the codes given below :

Codes :

(a) 1 only
(b) 2 only
(c) Both (1) and (2)
(d) Neither (1) nor (2)

[U.P. R.O./A.R.O. (Pre) 2017]


73. If a rat is created by using a human growth gene, which is eight times bigger than a normal rat; then this technique
will be said as –

(a) Cross-breeding
(b) Genetic engineering
(c) Mutation reproduction
(d) Hormonal nourishing

[I.A.S. (Pre) 1993]


74. Given :
1. Blood cells
2. Bone cells
3. Hair strands
4. Saliva
Samples taken for DNA testing in a criminal investigation can be –

(a) 1, 2 and 3 only
(b) 1 and 4 only
(c) 2 and 3 only
(d) 1, 2, 3 and 4

[U.P.P.C.S. (Pre) 2008]


75. Assertion (A): ‘DNA Fingerprinting’ has become a powerful tool to establish paternity and identity of criminals in rape and assault cases.
Reason (R): Trace evidence such as hairs, saliva, and dried semen are adequate for DNA analysis.

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 a correct explanation of (A).
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.

[I.A.S. (Pre) 2000, R.A.S./R.T.S. (Pre) 2013]


76. The basis of DNA fingerprinting is –

(a) The double helix
(b) Errors in the base sequence
(c) DNA replication
(d) DNA polymorphism

[R.A.S/R.T.S (Pre) 2018]


77. Which one of the following techniques can be used to establish the paternity of a child?

(a) Protein analysis
(b) Chromosome counting
(c) Quantitative analysis of DNA
(d) DNA fingerprinting

[U.P. U.D.A./L.D.A. (Spl.) (Pre) 2010, I.A.S. (Pre) 1997]


78. Which one of the given is useful for proving paternity?

(a) Gene therapy
(b) Gene cloning
(c) D.N.A. Recombinant technology
(d) D.N.A. fingerprinting

[U.P. Lower Sub. (Pre) 2002]


79. The latest technique used to establish the identity of a human being based on biotechnological principles is-

(a) Biomatrix analysis
(b) Genome sequencing
(c) DNA fingerprinting
(d) Karyotyping

[R.A.S./R.T.S.(Pre) 2012]


80. DNA fingerprinting is used in the following area(s) :

(a) Forensic cases
(b) Paternity dispute
(c) Conservation of endangered living beings
(d) All of the above

[U.P.P.C.S. (Spl.) (Mains) 2004]


81. The first crime ever solved using the DNA fingerprinting technique was in England in the year

(a) 1963
(b) 1973
(c) 1983
(d) 1993

[U.P.P.C.S. (Mains) 2006]


82. In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person?
1. Iris scanning 2. Retinal scanning
3. Voice recognition
Select the correct answer using the code given below :

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

[I.A.S. (Pre) 2014]


83. The powder used for developing fingerprints on a multi-colored surface is –

(a) Gold dust
(b) Manganese dioxide
(c) Charcoal
(d) Fluorescent powder

[U.P.P.C.S. (Mains) 2013]


84. Which one of the following is not achieved by transgenics?

(a) Production of biodegradable plastic
(b) Production of edible vaccines
(c) Production of cloned animals
(d) Production of transgenic crops

[U.P.P.C.S. (Pre) 2000]


85. Change in the base sequence within the gene is called :

(a) Breeding
(b) Cloning
(c) Mutation
(d) Fusion

[U.P. P.C.S. (Pre) 2016]


86. When one gene controls two or more different characters simultaneously, the phenomenon is called :

(a) Apomixis
(b) Pleiotropy
(c) Polyploidy
(d) Polyteny

[I.A.S. (Pre) 2002]


87. In gene therapy, to correct the functioning of a faulty gene :

(a) Bad gene is eliminated
(b) Another good gene is inserted
(c) A defective gene is stopped from working
(d) The whole bad gene is replaced by a good gene

[U.P.P.C.S. (Spl) (Mains) 2004]