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UPSC 2023: '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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Not attemptedCorrect Answer: (a) Collecting DNA samples from air in a habitat at one go
‘Aerial metagenomics’ refers to sampling airborne environmental DNA (eDNA) from the air column of a habitat in a single collection, followed by sequencing to identify the organisms present. It does not specifically study birds, take blood samples, or involve drone-based specimen collection.
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Frequently Asked Questions
What is the correct answer to this UPSC 2023 Science & Technology question?▼
The correct answer is option (a): Collecting DNA samples from air in a habitat at one go. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Biotechnology & Genetics question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2023, GS Paper 1, as Question 69. It falls under Science & Technology > Biotechnology & Genetics.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Biotechnology & Genetics?▼
UPSC has asked 54 questions from Biotechnology & Genetics (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.