Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: Darwins finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds. Reason: Ancestral seed-eating stock of Darwins finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found competitor-free new habitates.A) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
C) If Assertion is true statement but Reason is false.
D) If both Assertion and Reason are false statements.
Correct Answer: A
Solution :
David Lack suggested that an original stock of finches reached the Galapagos Islands from the main land of South America and in the absence of competition from endemic species, adaptive radiation occurred to produce a variety of species adapted to particular ecological niches.
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