Question

Assertion :Darwin's finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds. Reason: Ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found competitor for new habitats.

• A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
• B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
• C. Assertion is correct but Reason is incorrect.
• D. Both Assertion and Reason are incorrect.

Answer 1

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

Assertion is correct as at Galapagos Islands, Darwin observed that the finches had different types of beaks suited for eating large seeds, flying insects and cactus seeds that means they are adapted for feeding on different diets.

Reason is also correct and correct explanation of assertion because it was the ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found different types of food and competitor free new habitats. Hence, option A is correct.