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Q.

Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R)

Assertion (A): Geitonogamy is morphologically cross-pollination and genetically self-pollination.

Reason (R): In geitonogamy, transfer of pollen grains from anther to stigma occurs between two different flowers which are present on the same plant.

In the light of the above statements, choose the correct answer from the options given below:

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a

(A) is correct but (R) is not correct

b

(A) is not correct but (R) is correct
 

c

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

d

Both (A) and (R) are correct and (R)is the correct explanation of (A)

answer is D.

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Detailed Solution

Assertion (A) is false, and Reason (R) is the correct.

Assertion (A) is true. Geitonogamy is indeed a form of pollination where pollen transfer occurs between two different flowers on the same plant. Functionally, it involves cross-pollination because it involves the transfer of pollen from the anther to the stigma of a flower. However, genetically, it results in self-pollination because the pollen and ovules come from the same genetic individual (plant). 
Reason (R) is also true. The statement accurately explains geitonogamy, where pollen transfer occurs between flowers of the same plant. This process ensures genetic continuity within the same plant, leading to self-pollination genetically.

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