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2 questions · 2023 · answers as per the UPSC key

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UPSC 2023 · Q69 · Science & Technology › Biotechnology & Genetics · Save

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

(a) Collecting DNA samples from air in a habitat at one go
(b) Understanding the genetic makeup of avian species of a habitat
(c) Using air-borne devices to collect blood samples from moving animals
(d) Sending drones to inaccessible areas to collect plant and animal samples from land surfaces and water bodies
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Answer: (a) Collecting DNA samples from air in a habitat at one go
UPSC 2023 · Q70 · Science & Technology › Biotechnology & Genetics · Save

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

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