Zoology-Muscle Contraction
NEET Zoology Muscle Contraction Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 11
Assertion (A): Muscle contraction is initiated by the release of calcium ions into the sarcoplasm. | Reason (R): The sarcoplasmic reticulum acts as the storehouse of calcium ions in muscle fibres.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
The release of calcium ions into the sarcoplasm is crucial for muscle contraction, and the sarcoplasmic reticulum stores these ions, supporting the assertion with the reason.
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