Ncert Exercises & Solutions

Q.9 Amongst the animal groups given below, which one has the highest
percentage of endangered species?

1. Insects

2. Mammals

3. Amphibians

4. Reptiles

Class 12 pg 264

Ans. (c) Amphibians have the highest percentage presently, 32% of all amphibian species in the world face the threat of extinction. Other than these, 23% of all mammal species and 12% of all bird species also facing the risk.

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