A: The axoneme of a eukaryotic flagellum poss | vedclass

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(C) The axoneme of a eukaryotic flagellum consists of microtubules arranged in a $9+2$ array.This means there are $9$ pairs of peripheral doublets and

Vedclass · Accepted Answer

Assertion is correct,but Reason is incorrect.

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(C) The axoneme of a eukaryotic flagellum consists of microtubules arranged in a $9+2$ array.This means there are $9$ pairs of peripheral doublets and $2$ centrally located microtubules.The Assertion is correct because the axoneme does contain microtubules running parallel to the long axis.The Reason is incorrect because it states there is only 'a pair' of peripheral doublets,whereas there are actually $9$ pairs of peripheral doublets.Therefore,the correct option is $C$.

$A$: The axoneme of a eukaryotic flagellum possesses a number of microtubules running parallel to the long axis.
$R$: It has a pair of peripheral doublet and a pair of centrally located microtubules.

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$A$: The axoneme of a eukaryotic flagellum possesses a number of microtubules running parallel to the long axis.$R$: It has a pair of peripheral doublet and a pair of centrally located microtubules.