- 1(current)
Q. No.Given below are two statements:
| Assertion (A): | During muscle contraction, ATP has a significant role to play |
| Reason (R): | Energy released by hydrolysis of ATP is used by myosin to facilitate the formation of actomyosin cross bridge |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Energy for Muscle Contraction |
 91%
Level 1: 80%+
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The source of energy that can be directly used by muscle for contraction is:
| 1. | GTP | 2. | ATP |
| 3. | Creatine phosphate | 4. | Glucose |
Subtopic: Â Energy for Muscle Contraction |
 90%
Level 1: 80%+
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Increased concentration of Ca2+ in sarcoplasm causes muscle contraction that cannot affect
| 1. | Length of sarcomere |
| 2. | Length of H-zone |
| 3. | Length of I-band |
| 4. | Length of A-band |
Subtopic: Â Energy for Muscle Contraction |
 86%
Level 1: 80%+
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- 1(current)
Q. No.
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