Multiple Choice Questions

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The genes and splenium in brain are associated with

  • cerebellum

  • crebrum

  • medulla oblongata

  • vermis


B.

crebrum

Corpus callosum is the band of white neurons present between both cerebral hemisphere of cerebrum and connect them on medial surface. Anterior part of corpus callosum is calledgen while its posterior part is called splenium.


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Which of the following part of human brain is associated with integration of sympathetic and parasympathetic activities ?

  • Cerebrum

  • Neopallium

  • Hypothalamus

  • Medulla oblongata


In the myopia eye defect, the rays of light :

  • do not enter the eye at all

  • meet at a focus in front of the retina

  • come to a focus at back of retina

  • come to a focus in between retina and iris


The unidirectional transmission of a nerve impulse through nerve fibre is due to :

  • neurotransmitters are released by axon endings

  • neurotransmitters which are released by dendrites

  • nerve fibre which is insulated by a medullary sheath

  • sodium pump which starts operating into the nerve fibre


The 'end organs of Ruffini' are receptors of :

  • heat

  • cold

  • pressure

  • touch


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Human brain has greater development of

  • cerebrum

  • cerebellum

  • optic lobes

  • medulla oblongata


Cranium is made up of

  • 8 bones

  • 12 bones

  • 10 bones

  • 16 bones


Foramen magnum is situated in

  • buccal cavity 

  • base of skull

  • left auricle 

  • vertebrae


Sensory receptor of warmth located principally at the tip of fingers is known as :

  • Weber's organ

  • organ of Giraldes

  • Ruffini's corpuscles

  • organ of Zuckerkandl


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Arbor-vitae is composed of

  • grey matter

  • neurogleal cells

  • white matter

  • all of the the above


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