Q.

Assertion: Corolla of Cassia shows imbricate aestivation.Reason: In the corolla, some petals have one margin outside and the other inside.

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a

Both assertion and reason are correct and reason explains the assertion.

b

Both assertion and reason are correct but reason does not explain the assertion.

c

Assertion is correct but reason is incorrect

d

Both assertion and reason are incorrect

answer is B.

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Detailed Solution

In valvate aestivation, the sepals or petals of a whorl touch one another at the margins but not overlapped. ex: calyx and corolla of Calotropis, calyx of pea and bean, calyx and corolla of makoi.
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