pyq/2023/prelims/69

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