Muscle Contraction: Other Considerations Past Year (2019 onward - NTA Papers) MCQs Locomotion and Movement Zoology (2022) NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

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.

In the light of the above statements, choose the correct answer from the options given below:

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: Muscle Contraction: Other Considerations |

NEET - 2024

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Select the correct statements regarding mechanism of muscle contraction.

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.

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

Subtopic: Sliding Filament Theory | Muscle Contraction: Other Considerations |

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NEET - 2024

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