A : During industrialisation dark-winged or melanised moths were more abundant. R : They were able t

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6.Evolution

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$A$ : During industrialisation dark-winged or melanised moths were more abundant.
$R$ : They were able to camouflage themselves, hide in the background and survived.

A

Assertion and Reason both are correct and also correct explanation.

B

Assertion and Reason both are correct but not explanation of assertion.

C

Assertion is correct, but Reason is incorrect.

D

Both Assertion and Reason are incorrect.

Solution

Birds killed light winged moths because they were conspicous

Standard 12

Biology

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