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Assertion: In cockroach, inspiration is ...

Assertion: In cockroach, inspiration is an active process.
Reason: It is due to the contraction oftergosternal muscle.

A

IF both assertion & Reason are true and the rason is the correct explanation of the assertion

B

If both assertion & reason are true but the reason is not the correct explanation of the assertion, then mark

C

If assertion is true statement but reason is false, then mark

D

if both assertion and reason are false statement

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Assertion: In cockroaches, inspiration is a passive process. Reason: The expansion of abdominal cavity allows the space of expansion of tracheal trunk. As a result, air enter through spiracle.

    A
    If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
    B
    If both Assertion and Reason are true ,but the Reason is not the correct explanation of the Assertion.
    C
    If Assertion is true, but Reason is false
    D
    If both Assertion and Reason are false.

  • Assertion : Depolarization is an active process. Reason: In depolarization, Na+ ions move from lower concentration to higher concentration.

    A
    If both Assertion and Reason are true and Reason is correct explanation of Assertion.
    B
    If both Assertion and Reason are true and Reason is not correct explanation of Assertion.
    C
    If Assertion is true but Reason is false.
    D
    If both Assertion and Reason are false.

  • Assertion : Muscle contraction force increases with rise in strength of stimulus. Reason: This is due to increased contraction of individual muscle fibres with increases in stimulus strength.

    A
    If both the assertion and the reason are true and reason is a correct explanation of the assertion
    B
    If both the assertioin and reason are true but the reason is not a correct explanation of the assertion.
    C
    If the assertion is true but the reason is false
    D
    If both the assertion and reason are false

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