Choose the incorrect statement (s) w.r.t. the causes of bio…

Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 12 PCB Single Correct MCQ

Published on: August 13, 2026

Choose the incorrect statement (s) w.r.t. the causes of biodiversity losses.

Many species like Steller's Sea cow, passenger pigeon became extinct in the last 500 years due to overexploitation by humans.
A and B

Nile perch & species of cichlid fish are examples of co-extinctions.
B only

In a coevolved plant-pollinator mutualism, extinction of one invariably leads to the extinction of the other species.
B and C

Introduction of the Clarias gariepinus for aquaculture purposes is posing a threat to the indigenous catfishes in our rivers.
C and D

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When alien species are introduced unintentionally or deliberately for whatever purpose, some of them turn invasive, and cause decline or extinction of indigenous species. The Nile perch introduced into Lake Victoria in east Africa led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake.

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