Assertion: The stapes, though the smallest bone in the body, is able to vibrate the perilymph in the vestibular duct.
Reason: The foot plate of stapes is much smaller than the tympanic membrane.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
3. If the assertion is true but the reason is false
4. If both the assertion and reason are false

Assertion: Auditory transduction is the function of the organ of Corti.
Reason: Organ of Corti is located in the scala media of cochlea of inner ear.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

Assertion: Corneal transplant have a few problems of rejection and generally are well accepted.
Reason: Cornea has a rich vascular supply that helps in fighting the cells responsible for graft rejection.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

Assertion: Contraction of ciliary muscles reduces the refractory power of the lens.
Reason: Contraction of ciliary muscles leads to increase in the pull of suspensory ligaments making lens more flat.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

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: Action potentials usually conducted in only one direction along an axon – from axon hillock towards the terminal nerve endings.
Reason: The axon hillock has a higher membrane potential than the terminals of the axon.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

Assertion: The sympathetic division of the autonomic nervous system is involved in the ‘flight or fight’ response.
Reason: Sympathetic stimulation leads to the release of the neurotransmitters – adrenaline and noradrenaline.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

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:

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:

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: