A : Seeds do not sprout when ABA is overcome | vedclass

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Question

(D) The Assertion is incorrect because seeds actually sprout when the inhibitory effect of $ABA$ (Abscisic Acid) is overcome by Gibberellins $(GA)$. G

Vedclass · Accepted Answer

Both Assertion and Reason are incorrect.

Vedclass · Answer

(D) The Assertion is incorrect because seeds actually sprout when the inhibitory effect of $ABA$ (Abscisic Acid) is overcome by Gibberellins $(GA)$. Gibberellins promote seed germination by counteracting the dormancy induced by $ABA$.The Reason is also incorrect because $GA$ (Gibberellins) promotes protein and $RNA$ synthesis,which is essential for germination. It is $ABA$ that inhibits protein and $RNA$ synthesis,thereby inducing dormancy.

$A$ : Seeds do not sprout when $ABA$ is overcome by Gibberellins. $R$ : $GA$ inhibits protein and $RNA$ synthesis.

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