The reflex arc ends at:
1. sensory neuron
2. motor neuron
3. effector
4. receptor

Subtopic:  Motor Functions of Spinal Cord |
 75%
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A duct within the mesencephalon, contains cerebrospinal fluid (CSF), and connects the third ventricle to the fourth ventricle is called:

1. interventricular foramen 2. cerebral aqueduct
3. foramen of Monro 4. foramen of Magendie
Subtopic:  Meninges, Ventricles & CSF |
 76%
From NCERT
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A catecholamine is released as a neurotransmitter by:
1. preganglionic sympathetic fibers
2. postganglionic sympathetic fibers
3. preganglionic parasympathetic fibers
4. postganglionic parasympathetic fibers

Subtopic:  Autonomic Nervous System (OLD NCERT) |
 53%
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Catecholamines like adrenaline and noradrenaline are derived from the amino acid:
1. glycine
2. tyrosine
3. tryptophan
4. glutamic acid

Subtopic:  Synapse |
 66%
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Cocaine acts by interfering the reuptake of dopamine. Thus, cocaine is a:
1. sympathetic agonist
2. sympathetic antagonist
3. sympathetic neurotransmitter
4. parasympathetic agonist

Subtopic:  Synapse |
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ANS is most directly under the control of:

1. medulla oblongata

2. cerebrum

3. cerebellum

4. hypothalamus

Subtopic:  Hind & Mid Brain |
 54%
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The neurotransmitter released by postganglionic parasympathetic neurons is:
1. acetylcholine
2. norepinephrine
3. epinephrine
4. dopamine

Subtopic:  Synapse |
 69%
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Parkinson disease, caused by lack of dopamine in substantia nigra, is not characterized by:
1. Tremor
2. Rigidity
3. Hypokinesia
4. Flaccid paralysis

Subtopic:  Synapse |
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Very fast correction during the ongoing rapid muscular activity initiated elsewhere is done by:

1. Primary motor cortex 2. Wernicke’s area
3. Basal ganglia 4. Cerebellum
Subtopic:  Hind & Mid Brain |
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Light skin touch is sensed by _____ receptors.
1. Pacinian
2. Meissner
3. free nerve endings
4. nociceptor

Subtopic:  Autonomic Nervous System (OLD NCERT) |
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