Q121.Which cranial nerve is linked to both movement of the eyeball and power of accommodation?
(1) ll
(2) lll
(3) IV
(4) VI
Ans.2
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Q122.Part of the human brain which contains centres which control respiration, cardiovascular reflexes and gastric secretions is
(1) Cerebral hemisphere
(2) Pons
(3) Hypothalamus
(4) Medulla oblongata
Ans.4
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Q123.Which of the following best describes the state of a neuron at rest?
(1) K+ ions leak into the neuron at rest
(2) The inside and outside of a neuron have the same electrical charge
(3) The outside of a neuron is more negatively charged than the inside
(4)The inside of a neuron is more negatively charged than the outside
Ans.4
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Q124.Choose the incorrect statement
(1) Fovea is the thinned out portion of retina where only cones are densely packed, and visual acuity (resolution) is greatest.
(2) Pineal body secretes a hormone melatonin which plays a very important role in regulation of the 24 hour (diurnal) rhythm of our body.
(3) Gastrointestinal tract secretes four major peptide hormones namely gastrin, secretin, cholecystokinin and gastric inhibitory peptide.
(4) Oxytocin and vasopressin is secreted by neurohypophysis (Pars nervosa) also known as posterior pituitary.
Ans.4
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Q125.Part of cerebral lobe which is responsible for vision is
(1) Frontal lobe
(2) Parietal lobe
(3) Occipital lobe
(4) Temporal lobe
Ans.3
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Q126.Hypothalamus present at the base of the thalamus is involved in all of the following functions, except
(1) Vomiting
(2) Urge of eating and drinking
(3) Controls body temperature
(4) Secretes somatocrinin
Ans.1
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Q127.Structure or region incorrectly paired with its function is
(1) Cerebellum - Coordination of
movement an balance
(2) Limbic system - Motor control
(3) Pons - Pneumotaxic centres
(4) Cerebral aqueduct - Connects
diocoel and
metacoel
Ans.2
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Q128.The cranial nerve involved in controlling faci expressions is
(1) lV
(2) Ill
(3) lV
(4) Vll
Ans.4
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Q129.Cluster of cell bodies of neurons in CNS is called
(1) Ganglia
(2) Nuclei
(3) Soma
(4) Nerve
Ans.2
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Q130.Major part of peripheral nervous system is somatic neural system which relays impulses from CNS to
(1) Involuntary muscles
(2) Skeletal muscles
(3) Skin
(4) Smooth muscles
Ans.2
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