A : Smooth muscle fibres are unstriated,fusif | vedclass

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(B) Assertion is true because smooth muscle fibres are non-striated (lack cross-striations),fusiform (spindle-shaped,tapering at both ends),and uninuc

Vedclass · Accepted Answer

Assertion and Reason both are correct but Reason is not the correct explanation of Assertion.

Vedclass · Answer

(B) Assertion is true because smooth muscle fibres are non-striated (lack cross-striations),fusiform (spindle-shaped,tapering at both ends),and uninucleate (contain a single,centrally located nucleus).Reason is true because smooth muscles are involuntary,meaning their contraction is not under direct conscious control.While both statements are correct,the involuntary nature of the muscle is a functional characteristic,whereas the structural description (unstriated,fusiform,uninucleate) is a morphological characteristic. Therefore,the Reason does not explain why the muscle has that specific structure.

$A$ : Smooth muscle fibres are unstriated,fusiform and uninucleate.
$R$ : These cells are involuntary in function.

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$A$ : Smooth muscle fibres are unstriated,fusiform and uninucleate.$R$ : These cells are involuntary in function.