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Darwin studied finches different in shap...

Darwin studied finches different in shape and size of beak.
These birds represent one of the best examples of adaptive radiation.

A

If both (A) and (R ) are true and (R ) is the correct explanation of (A).

B

If both (A) and (R ) are true but (R ) is not the correct explanation of (A).

C

If (A) is true but (R ) is false.

D

If both (A) and (R ) are false.

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The correct Answer is:
A
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Explore conceptually related problems

Describe one example of adaptive radiation.

Describe one example of adaptive radiation.

Which of the following statement/s is/are wrong? I. Homology is based on divergent evolution whereas analogy refers to a situation exactly opposite. II. The thorn and tendrills of Bougainvillea and Cucurbita represent homology III. Analogous structures are a result of divergent evolution. IV. Darwin's finches represent one of the best examples of adaptive radiation.

How do darwin' s finches illustrate adaptive radiation ?

Assertion: Darwin's finches of Galapagos islands have different types of modified beaks according to their food habits. Reason: Adaptive radiation, leads to development of different functional structure from a common ancestral form.

How did Darwin explain adaptive radiation ? Give another example of animals exhibiting adaptive radiation.

Study the following information carefully and answer the given questions. P. Q, R, S, T, W and Z are seven students studying in three different institutes-A, B and C. There are three girls among the seven students who study in each of the three institutes. Two of the seven students study BCA, two study medicine and one each studies Aviation Technology, Journalism and MBA. R studies in the same college as P, who studies MBA in college B. No girl studies Journalism or MBA. T studies BCA in college A and his brother W studies Aviation Technology in college C. S studies Journalism in the same college as Q. Neither R nor Z studies BCA. The girl who studies BCA does not study in college C. Which of the following three represents girls ?

P, Q, R, S, T. W and Z are seven students studying in three different institutes A, B and C. There are three girls among the seven students who study in each of the three institutes. Two of the seven students study BCA, two study Medicine and one each studies Aviation Technology, Journalism and MBA. R studies in the same college as P who studies MBA in college B. No girl studies Journalism or MBA. T studies BCA in college A and his brother W studies Aviation Technology in college C. S studies Journalism in the same college as Q. Neither R nor Z studies BCA. The girl who studies BCA does not study in college C Which of the following three represents girls ?

A photoelectric cell is connected to a source of variable potential difference, connected across it and the photoelectric current resulting (muA) is plotted against the applied potential difference (V). The graph in the broken line represents one for a given frequency and intensity of the incident radiation. If the frequency is increased and the intensity is reduced. Which of the following graphs of unbroken line represents the new situation?

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