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 Multiple Choice QuestionsMultiple Choice Questions


Which of the following is the part of mid brain of rabbit?

  • Diencephalon

  • Cerebrum

  • Corpora quadrigemina

  • None of the above


Assertion : The imbalance in the concentration of Na+, K+ and proteins generates the resting potential.

Reason : To maintain the unequal distribution of Na+ and K+, the neurons use electrical energy.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both the assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both the assertion and reason are false.


Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that

  • nerve fibre is insulated by a medullary sheath

  • sodium pump starts operating only at the cyton and then continues into the nerve fibre

  • neurotransmitters are released by dendrites and not by axon endings

  • neurotransmitters are released by the axon endings and not by dendrites.


Now-a-days cornea transplantation is very popular. The reason is that it

  • is easy to preserve

  • transplanted very easily

  • can be easily obtained

  • does not link with blood supply and immune system


Ventricles are related to

  • heart only

  • brain only

  • both 'a' and 'b'

  • none of these


Organ of Corti is found in

  • heart

  • kidneys

  • inner ear

  • nasal chamber


Sella Turcica is found

  • in bones

  • in joints

  • nearby pituitary

  • nearby thyroid


If a stimulus, several times greater than the threshold stimulus is provided to a muscle fibre, it will

  • contract with a larger force

  • contract with a smaller force

  • contract with the same force

  • undergo tetany.


The total number of nitrogenous bases in human genome is estimated to be about

  • 3.5 million

  • 35 thousand

  • 35 million

  • 3.1 billion.


A person is wearing spectacles with concave lenses for correcting vision. While not using the glasses, the image of a distant object in his case will be formed

  • on the blind spot

  • behind the retina

  • in front of the retina

  • on the yellow spot