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Assertion : Contraction of a muscle fibr...

Assertion `:` Contraction of a muscle fibre takes place by the sliding of the thin filaments over the thick filaments.
Reason `:` The central part of thick filament is not overlapped by thin filaments in a resting state.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

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The correct Answer is:
B
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In a resting state, the central part of thick filament which is not overlappled by thin filament is called :

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