Multiple Choice Questions

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Colour blindness is due to defect in

  • cones

  • rods

  • rods and cones

  • rhodopsin


A.

cones

Colour blindness results in absence or malfunctioning of one or more of the three types of cone cells responsible for colour vision.


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How many laminae are present in the grey matter of spinal cord?

  • Four

  • Six

  • Eight

  • Ten


Which of the following is not related to the autonomic nervous system?

  • Peristalsis

  • Digestion

  • Excretion

  • Memory and learning


The amount of CSF in the cranial cavity

  • 500 mL

  • 140 mL

  • 1 litre

  • 1.5 mL


The part of the brain where the centre for hunger and thirst is located is

  • cerebrum

  • hypothalamus

  • cerebellum

  • medulla oblongata


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The reflex arc, which is made of two neurons is known as

  • monosynaptic reflex arc

  • disynaptic reflex arc

  • polysynaptic reflex arc

  • asynaptic reflex arc


Comprehension of spoken and written words take place in the region of

  • association area

  • motor area

  • Wernicke's area

  • Broca's area


Which of the following does not act as a neurotransmitter

  • Acetylcholine

  • Epinephrine

  • Glutamic acid

  • Tyrosine


Which one of the following cranial nerves is carying the nerve fibres originating from the Edinger-Westphal nucleus?

  • Oculomotor

  • Trochlear

  • Abducens

  • Vagus


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Electric potential of the brain is recorded by

  • CT scan

  • Sphygmomanometer

  • ECG

  • EEG


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