Home Biology Biodiversity and Conservation Previous Year Questions Among 'The Evil Quartet', which one is consi…
Biology Biodiversity and Conservation Previous Year Questions Single Correct MCQ
Published on: August 14, 2026

Among 'The Evil Quartet', which one is considered the most important cause driving extinction of species?

A
Co-extinctions
B
Habitat loss and fragmentation
C
Over exploitation for economic gain
D
Alien species invasions

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The correct answer is:
B

There are four major causes of biodiversity losses (The Evil Quartet) that are habitat loss and fragmentation, over-exploitation, Alien species invasion and co-extinctions. Habitat loss and fragmentation is the most important cause driving animals and plants to extinction.

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