E-PolyLearning

1. Outer layer of adrenal gland is called
a. adrenal cortex
b. adrenal medulla
c. cortex
d. medulla
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Answer: (a).adrenal cortex

2. When an impulse reaches a synaptic knob, synaptic vesicles fuse with the
a. pre-synaptic membrane
b. post-synaptic membrane
c. synaptic cleft
d. neurotransmitters
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Answer: (a).pre-synaptic membrane

3. Main transmitter for synapses that lie outside central nervous system is
a. serotonin
b. adrenaline
c. acetylcholine
d. dopamine
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Answer: (c).acetylcholine

4. Medulla of adrenals produces hormone
a. adrenaline
b. nor-adrenaline
c. cortico-steroids
d. Both a and b
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Answer: (d).Both a and b

5. Weed killing is done by
a. 2,4 D
b. NAA
c. IAA
d. Ethane
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Answer: (a).2,4 D

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