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Q. No.Function of the hypothalamus is:
1. thermoregulation
2. water balance
3. control of hormone function
4. All of the above
Subtopic: Diencephalon |
From NCERT
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Subtopic: Diencephalon |
96%
From NCERT
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Human ear ossicles are?
1. incus and stapes
2. stapes
3. incus, malleus and stapes
4. incus and malleus
1. incus and stapes
2. stapes
3. incus, malleus and stapes
4. incus and malleus
Subtopic: Outer & Middle Ear (OLD NCERT) |
94%
From NCERT
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'Adaption' of eyes in dark is due to?
1. depletion of vision pigments in rods
2. depletion of vision pigment in cones
3. repletion of vision pigment in rods
4. repletion of vision pigment in cones
1. depletion of vision pigments in rods
2. depletion of vision pigment in cones
3. repletion of vision pigment in rods
4. repletion of vision pigment in cones
Subtopic: Human Eye (OLD NCERT) |
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In parasympathetic nervous system, which of the following is released?
1. Epinephrine
2. Norepinephrine
3. Serotonin
4. Acetylcholine
1. Epinephrine
2. Norepinephrine
3. Serotonin
4. Acetylcholine
Subtopic: Autonomic Nervous System (OLD NCERT) |
51%
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From outside to inside, the sequence of three bones present in the middle ear of mammals is
1. malleus, stapes and incus
2. stapes, malleus and incus
3. malleus, incus and stapes
4. incus, malleus and stapes
1. malleus, stapes and incus
2. stapes, malleus and incus
3. malleus, incus and stapes
4. incus, malleus and stapes
Subtopic: Outer & Middle Ear (OLD NCERT) |
72%
From NCERT
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Subtopic: Action Potential |
79%
From NCERT
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Subtopic: Human Eye (OLD NCERT) |
77%
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Autonomic nervous system affects
1. reflex actions
2. sensory organs
3. internal organ
4. all of the above
1. reflex actions
2. sensory organs
3. internal organ
4. all of the above
Subtopic: Autonomic Nervous System (OLD NCERT) |
61%
From NCERT
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Nerve impulse
Choose the correct answer from the options given below:
1. A and E only
2. B, C and D only
3. C, D and E only
4. B and D only
| A. | during the propagation of a nerve impulse, the action potential results from the movement of K ions from extracellular fluid to intracellular fluid |
| B. | electrical synapses are very rare in the human system |
| C. | receptor sites for neurotransmitters are present on the presynaptic membrane |
| D. | when the impulse reaches the presynaptic region, synaptic vesicles break and release neurotransmitters |
| E. | impulse through nerve fibers is unidirectional because nerve fibers are insulated by a medullary sheath |
1. A and E only
2. B, C and D only
3. C, D and E only
4. B and D only
Subtopic: Origin of Resting Membrane Potential | Action Potential | Synapse |
77%
From NCERT
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