Previous year MCQs

Environment & Ecology UPPSC 2005 GS-I
Question

A species is considered to be extinct if it has been seen in its natural

Answer & Solution

Answer: (Detailed Solution Below)

Option D: 50 years

Detailed Solution:

The correct answer is “50 years”.
A species is generally considered to be extinct if it has not been seen in its natural habitat for at least 50 years. This is a common criterion used by conservation organizations, including the International Union for Conservation of Nature (IUCN).

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Code:
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