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

UPSC · 2023 · Environment & Science & Tech
Question:
‘Aerial metagenomics’ best refers to which one of the following situations?

Options

Collecting DNA samples from air in a habitat at one go
Understanding the genetic makeup of avian species of a habitat
Using air-borne devices to collect blood samples from moving animals
Sending drones to inaccessible areas to collect plant and animal samples from land surfaces and water bodies
Answer: Collecting DNA samples from air in a habitat at one go

Explanation:
Aerial metagenomics involves collecting and analyzing genetic material (DNA/RNA) present in the air to study microorganisms and biodiversity in an environment.

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