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Assertion. Rigor mortis is the state of ...

Assertion. Rigor mortis is the state of body stiffening prior to death.
Reason. It is due to relaxation of actin and myosin filaments.

A

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

B

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion

C

Assertion is true but Reason is false

D

Both Assertion and Reason are false

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Rigor Mortis:** - Rigor mortis is a post-mortem condition characterized by the stiffening of the body's muscles. It occurs after death and is a result of biochemical changes in the muscle tissue. 2. **Assertion Analysis:** - The assertion states that "Rigor mortis is the state of body stiffening prior to death." This is incorrect. Rigor mortis occurs after death, not prior to it. Therefore, the assertion is false. 3. **Reason Analysis:** - The reason given is that "It is due to relaxation of actin and myosin filaments." This is also incorrect. Rigor mortis occurs due to the inability of actin and myosin filaments to detach from each other because of the lack of ATP (adenosine triphosphate). Instead of relaxation, the filaments remain in a contracted state, leading to stiffness. Thus, the reason is also false. 4. **Conclusion:** - Since both the assertion and the reason are false, we conclude that the correct answer is that both the assertion and the reason are incorrect. **Final Answer:** Both the assertion and the reason are false. ---
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