Home
Class 12
BIOLOGY
Assertion: In cockroach, inspiration is ...

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

A

IF both assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).

B

If both assertion & reason are true but the reason is not the correct explanation of the assertion, then mark (2).

C

If assertion is true statement but reason is false, then mark (3).

D

If both assertion and reason are false statements, then mark (4).

Text Solution

Verified by Experts

The correct Answer is:
D
If both assertion and reason are false statements, then mark (4).
Promotional Banner

Topper's Solved these Questions

  • STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-C)|28 Videos

  • STRUCTURAL ORGANISATION IN ANIMALS ( ANIMAL TISSUES )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-D)|20 Videos

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise Examplle|19 Videos

Similar Questions

Explore conceptually related problems

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.

The urine of cockroach is pushed into ileum due to the contraction of

The alternate contraction and relaxation of terogosternal muscles in cockroach

Assertion : Angina pectoris means ''pain in the chest''. Reason : It results due to carrying of extra blood to the heart muscle.

Assertion: The heart of cockroach is neurogenic. Reason: The heartbeat rate in cockroach is 49 per minute. (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: Reason: due to formation of highly stable carbocation.

Assertion: Na and K ions are necessary for muscle contraction. Reason: Na and K concentrationn changes across the muscle cell membrane resulting in development of potential difference.

Assertion: A drop in temperature does not affect spermatogensis. Reason: During temperature drop the smooth muscles contracts and bring the tests closer to the pelvic cavity.

Assertion : In cockroach respiratory gases directly comes in contact with the various organs of the body. : Reason : Cockroaches do not have respiratory pigment

Assertion :- On repeated application of stimuli, involuntary stripled muscles undergo fatigue. Reason : This is due to non availability of ATP molecules. (a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. (b (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.