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A: During industrialisation dark-winged ...

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

A

If both Assertion `&` Reason are true and the reason is the correct explanation of the assertion. Then mark (1)

B

If both Assertion `&` Reason are true but the reason is not the correct explanation of the assertion, then mark (2)

C

If Assertion is true statement but Reason is false, then mark (3)

D

If both Assertion and Reason are falses statements, then mark (4)

Text Solution

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The correct Answer is:
A
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