A: Certain proteins of pollen origin identify | vedclass

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Question

(A) The pollen-pistil interaction is a dynamic process involving chemical dialogue between the pollen grain and the stigma.$A$: It is a well-establish

Vedclass · Accepted Answer

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

Vedclass · Answer

(A) The pollen-pistil interaction is a dynamic process involving chemical dialogue between the pollen grain and the stigma.$A$: It is a well-established fact that specific proteins present on the surface of the pollen grain interact with the stigma to determine compatibility.$R$: These compatibility proteins are indeed located in the outer layer of the pollen wall,known as the ektexine (part of the exine).Since the interaction between the pollen and the stigma is mediated by these specific proteins located in the ektexine,the Reason correctly explains the Assertion.

$A$: Certain proteins of pollen origin identify the compatible stigma.
$R$: Compatibility proteins are located in the ektexine.

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$A$: Certain proteins of pollen origin identify the compatible stigma.$R$: Compatibility proteins are located in the ektexine.