Home Biology Evolution Origin and Evolution of Man The peppered moth Biston betularia with dull…
Biology Evolution Origin and Evolution of Man Single Correct MCQ
Published on: August 13, 2026

The peppered moth Biston betularia with dull gray or white colour was abundant in England before industrial revolution. During post industri zation period, the tree trunks became dark due to smoke and soot and the black coloured variants of the moth became more abundant. The black color of the moths was dueto

A
Deposition of soot on the tree trunks
B
Recessive mutation
C
Dominant mutation
D
Deposition of soot on the white wings of moths which changed into dark winged, melanized forms

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