541.
Gorilla like man with large head and hands and protruding Jaws is produced due to
A
Over -secretion of thyroxine
B
Over -secretion of growth hormone
C
Excess of vitamin C in diet
D
Excess secretion of TSH
Answer :
Over -secretion of growth hormone
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542.
Brain of rabbit differs from that of frog in having
A
Large olfactory lobe
B
Small hypothalamus
C
Small cerebellum
D
Corpus callosum
Answer :
Corpus callosum
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543.
Myelin sheath covers which of t he following
A
Muscle fibre
B
Nerve fibre
C
Collagen fiber
D
Tendons
Answer :
Nerve fibre
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544.
Which steroid is used for microbial trans- formation?
A
Cortisol
B
Cholesterol
C
Testosterone
D
Progesterone
Answer :
Cholesterol
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545.
The thermoregulatory centre in the body is
A
Thalamus
B
Hypothalamus
C
Pons
D
Medulla oblongata
Answer :
Hypothalamus
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546.
Which hormone is responsible for maintenance of preganancy
A
HCG
B
Progesterone
C
Estrogen
D
Prostaglandin
Answer :
Progesterone
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547.
The III, VI and XI cranial nerve in mammals are respectively
A
Occulomotor, abducens and hypolossal
B
Occulomotor, abducens and spinal accessory
C
Trochlear, facial and spinal accessory
D
Trigeminal, abducens and vagus
Answer :
Occulomotor, abducens and spinal accessory
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548.
Effect of anaesthetics on body
A
Inhibits Na-K pump
B
Kills nerves
C
Stops brain functions
D
Inactivates skin cells
Answer :
Inhibits Na-K pump
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549.
Artificial light, extended work-time and reduced sleep-time disrupt the activity of -
A
Posterior pituitary gland
B
Thymus gland
C
Pineal gland
D
Adrenal gland
Answer :
Pineal gland
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550.
Insulin is secreted by
A
A-cell of islets of langerhans
B
Δ-cell of islets of langerhans
C
B-cell of islets of langerhans
D
Pancreatic acinur cell
Answer :
B-cell of islets of langerhans
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