- 1(current)
Q. No.Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | After death, the body muscles get stiff as a state of partial contraction of muscles. |
| Reason (R): | Attachment of myosin head to unexpected sites on action can take place partially. |
| 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. | (A) is False but (R) is True. |
Subtopic: Â Muscle Contraction: Other Considerations |
Level 3: 35%-60%
NEET - 2024
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Hints
Select the correct statements regarding mechanism of muscle contraction.
Choose the most appropriate answer from the options given below:
1. B, C and E only
2. C, D and E only
3. A and D only
4. B, D and E only
| A. | It is initiated by a signal sent by CNS via sensory neuron. |
| B. | Neurotransmitter generates action potential in the sarcolemma. |
| C. | Increased Ca++ level leads to the binding of calcium with troponin actin filaments. |
| D. | Masking of active site for actin is activated. |
| E. | Utilising the energy from ATP hydrolysis to form cross bridge. |
1. B, C and E only
2. C, D and E only
3. A and D only
4. B, D and E only
Subtopic: Â Sliding Filament Theory |Â Muscle Contraction: Other Considerations |
 75%
Level 2: 60%+
NEET - 2024
Hints
- 1(current)
Q. No.
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