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Biotechnology & Genetics

56 questions in Science & Technology.

Asked in 2026, 2025, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012

2026 · Q66Science & TechnologyBiotechnology & Geneticsmoderate

Which of the following statements with regard to genetic medicine is/are correct ? 1. Genetic medicines correct/compensate for the faulty genes responsible for disease. 2. Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine. 3. Genetic medicines alter the entire DNA sequence. Select the answer using the code given below :

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

2026 · Q73Science & TechnologyBiotechnology & Geneticsmoderate

Which of the following statements with regard to GenomeIndia Project is/are correct ? 1. It is a part of the Human Genome Project. 2. The project is funded by the Department of Biotechnology (DBT), Government of India. 3. Its primary aim is to build a catalogue of genetic diversity of the Indian population. Select the answer using the code given below :

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

2025 · Q48Science & TechnologyBiotechnology & Geneticseasy

With reference to monoclonal antibodies, often mentioned in news, consider the following statements : I. They are man-made proteins. II. They stimulate immunological function due to their ability to bind to specific antigens. III. They are used in treating viral infections like that of Nipah virus. Which of the statements given above are correct?

  1. (a)I and II only
  2. (b)II and III only
  3. (c)I and III only
  4. (d)I, II and III
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Official answer(d) I, II and III

2023 · Q69Science & TechnologyBiotechnology & Geneticseasy

‘Aerial metagenomics’ best refers to which one of the following situations?

  1. (a)Collecting DNA samples from air in a habitat at one go
  2. (b)Understanding the genetic makeup of avian species of a habitat
  3. (c)Using air-borne devices to collect blood samples from moving animals
  4. (d)Sending drones to inaccessible areas to collect plant and animal samples from land surfaces and water bodies
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Official answer(a) Collecting DNA samples from air in a habitat at one go

2023 · Q70Science & TechnologyBiotechnology & Geneticseasy

‘Microsatellite DNA’ is used in the case of which one of the following?

  1. (a)Studying the evolutionary relationships among various species of fauna
  2. (b)Stimulating ‘stem cells’ to transform into diverse functional tissues
  3. (c)Promoting clonal propagation of horticultural plants
  4. (d)Assessing the efficacy of drugs by conducting series of drug trials in a population
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Official answer(a) Studying the evolutionary relationships among various species of fauna

2021 · Q66Science & TechnologyBiotechnology & Geneticsmoderate

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 egg. 2. A child inherits mitochondrial diseases entirely from mother and not from father. Which of the statements given above is/are correct?

  1. (a)1 only
  2. (b)2 only
  3. (c)Both 1 and 2
  4. (d)Neither 1 nor 2
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Official answer(c) Both 1 and 2

2020 · Q44Science & TechnologyBiotechnology & Geneticsmoderate

Consider the following statements : 1. Genetic changes can be introduced in the cells that produce eggs or sperms 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 ?

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

2019 · Q93Science & TechnologyBiotechnology & Geneticsdifficult

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

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

2019 · Q96Science & TechnologyBiotechnology & Geneticsmoderate

‘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.

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

2018 · Q63Science & TechnologyBiotechnology & Geneticsmoderate

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 ?

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

2017 · Q45Science & TechnologyBiotechnology & Geneticsmoderate

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 relationships in crops. Select the correct answer using the code given below :

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

2015 · Q93Science & TechnologyBiotechnology & Geneticsmoderate

With reference to bio-toilets used by the Indian Railways, consider the following statements : 1. The decomposition of human waste in the bio-toilets is initiated by a fungal inoculum. 2. Ammonia and water vapour are the only end products in this decomposition which are released into the atmosphere. Which of the statements given above is/are correct?

  1. (a)1 only
  2. (b)2 only
  3. (c)Both 1 and 2
  4. (d)Neither 1 nor 2
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Official answer(d) Neither 1 nor 2

2012 · Q64Science & TechnologyBiotechnology & Geneticsmoderate

What are the reasons for the people's resistance to the introduction of Bt brinjal in India? 1. Bt brinjal has been created by inserting a gene from a soil fungus into its genome. 2. The seeds of Bt brinjal are terminator seeds and therefore, the farmers have to buy the seeds before every season from the seed companies. 3. There is an apprehension that the consumption of Bt brinjal may have adverse impact on health. 4. There is some concern that the introduction of Bt brinjal may have adverse effect on the biodiversity. Select the correct answer using the codes given below :

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

2012 · Q65Science & TechnologyBiotechnology & Geneticsmoderate

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 codes given below :

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