NEET 2013 Botany Muscle Contraction MCQ Question with Solution

During muscle contraction in humans the :-

A

Sarcomere does not shorten

B

A band remain same

C

A, H and I bands shorten

D

Actin filaments shorten

Correct Answer

Option B

Detailed Explanation

During muscle contraction, the A band remains the same length while the I band and H zone shorten.

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