A: The higher organisms must evolve a special | vedclass

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(A) In most higher organisms,the male and female gametes are produced in different individuals (dioecious). Since the gametes are formed in separate b

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Assertion and Reason both are correct and Reason is the correct explanation of Assertion.

Vedclass · Answer

(A) In most higher organisms,the male and female gametes are produced in different individuals (dioecious). Since the gametes are formed in separate bodies,they cannot meet by chance or simple diffusion. Therefore,these organisms must evolve a special mechanism for the transfer of male gametes to the female gametes to facilitate fertilization. Thus,both the Assertion and the Reason are correct,and the Reason provides the correct explanation for the Assertion.

Column-$I$	Column-$II$
$(A)$ Pistils fused together	$(i)$ Gametogenesis
$(B)$ Formation of gametes	$(ii)$ Pistillate
$(C)$ Hyphae of higher Ascomycetes	$(iii)$ Syncarpous
$(D)$ Unisexual female flower	$(iv)$ Dikaryotic

$A$: The higher organisms must evolve a special mechanism for gamete transfer.
$R$: Male and female gametes are formed in different individuals.

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$A$: The higher organisms must evolve a special mechanism for gamete transfer.$R$: Male and female gametes are formed in different individuals.