Home Biology Biodiversity and Conservation Statement Based Questions Biodiversity loss occurs due to the reasons …
Biology Biodiversity and Conservation Statement Based Questions Single Correct MCQ
Published on: August 21, 2026

Biodiversity loss occurs due to the reasons given below.

(I). Habitat loss and fragmentation

(II). Co-extinction

(III). Over-exploitation

(IV). Alien species invasion

Identify the correct reasons.

A
I and II
B
I, II and III
C
II, III and IV
D
I, II, III and IV

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Text Solution

Verified by Experts
The correct answer is:
D

Biodiversity loss is caused by multiple factors, collectively affecting species survival:

-Habitat loss and fragmentation – Deforestation, urbanization, agriculture.

-Co-extinction – When one species goes extinct, dependent species also decline.

-Over-exploitation – Hunting, fishing, logging beyond sustainable limits.

-Alien species invasion – Exotic species outcompete or prey on native species.

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