AIPMT PRELIMS2009Zoology-Evolution
AIPMT PRELIMS 2009 Zoology Natural Selection MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In the case of peppered moth (Biston betularia) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of:
A
appearance of the darker coloured individuals due to very poor sunlight
B
protective mimicry
C
inheritance of darker colour character acquired due to the darker environment
D
natural selection whereby the darker forms were selected
Correct Answer
Option B
Detailed Explanation
This is a phenomenon of industrial melanism. The darker moths were better camouflaged against the soot-covered trees, leading to natural selection favoring the darker forms.
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