STANDARDZoology-Muscle Physiology
STANDARD Zoology Muscle Structure MCQ Question
Type: MCQ-conceptual-Medium
In a relaxed fibril, H-zone, a lighter region of low density can be seen in the centre of
A
Anisotropic or A-band
B
Isotropic or I-band
C
Z-band
D
Both in A and I-band
Correct Answer
Option A
Detailed Explanation
H-zone is the non-overlapping zone of myosin or thick filament. During muscle contraction, H-zone completely disappears.
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