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Q. No.Consider the two statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
| Statement I: | Dendrites transmit impulses towards the cell body of the neuron. |
| Statement II: | The axons transmit nerve impulses away from the cell body to a synapse or to a neuro-muscular junction. |
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is correct
Subtopic: Neuroanatomy |
93%
From NCERT
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Which cranial meninge is in contact with the brain tissue?
| 1. | Dura mater | 2. | Arachnoid mater |
| 3. | Pia mater | 4. | Grey mater |
Subtopic: Nervous System | Neuroanatomy |
87%
From NCERT
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Cerebellum is mainly involved in:
1. consciousness
2. muscle coordination
3. homeostasis
4. sense reception
1. consciousness
2. muscle coordination
3. homeostasis
4. sense reception
Subtopic: Hind & Mid Brain |
From NCERT
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How many of the given statements are true?
1. 1
2. 2
3. 3
4. 4
| I: | The PNS is divided into two divisions called somatic neural system and autonomic neural system. |
| II: | The somatic neural system relays impulses from the CNS to skeletal muscles while the autonomic neural system transmits impulses from the CNS to the involuntary organs and smooth muscles of the body. |
| III: | The autonomic neural system is further classified into sympathetic neural system and parasympathetic neural system. |
| IV: | Visceral nervous system is the part of the peripheral nervous system that comprises the whole complex of nerves, fibres, ganglia, and plexuses by which impulses travel from the central nervous system to the viscera and from the viscera to the central nervous system. |
1. 1
2. 2
3. 3
4. 4
Subtopic: Nervous System |
90%
From NCERT
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What restores the resting potential of the axonal membrane at the site of excitation after depolarisation?
1. Influx of sodium ions
2. Influx of potassium ions
3. Efflux of sodium ions
4. Efflux of potassium ions
1. Influx of sodium ions
2. Influx of potassium ions
3. Efflux of sodium ions
4. Efflux of potassium ions
Subtopic: Origin of Resting Membrane Potential | Action Potential |
57%
From NCERT
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The sodium potassium pump transports:
1. three sodium ions from outside to inside a cell.
2. three sodium ions from inside to outside a cell.
3. two potassium ions from outside to inside a cell.
4. two sodium ions from outside to inside a cell.
1. three sodium ions from outside to inside a cell.
2. three sodium ions from inside to outside a cell.
3. two potassium ions from outside to inside a cell.
4. two sodium ions from outside to inside a cell.
Subtopic: Action Potential |
60%
From NCERT
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When an adequate strength of the stimulus is applied to a resting axonal membrane, which of the following will lead to depolarization and the development of action potential?
1. Efflux of sodium ions
2. Influx of sodium ions
3. Influx of potassium ions
4. Efflux of potassium ions
1. Efflux of sodium ions
2. Influx of sodium ions
3. Influx of potassium ions
4. Efflux of potassium ions
Subtopic: Origin of Resting Membrane Potential | Action Potential |
81%
From NCERT
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When the neuron is not conducting any impulse, i.e., resting, the axonal membrane:
| 1. | is comparatively more permeable to sodium ions and nearly impermeable to potassium ions. |
| 2. | is freely permeable to sodium ions and potassium ions. |
| 3. | is impermeable to sodium ions and potassium ions. |
| 4. | is comparatively more permeable to potassium ions and nearly impermeable to sodium ions. |
Subtopic: Origin of Resting Membrane Potential | Action Potential |
88%
From NCERT
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Which neurotransmitter is released by the anterior motor neuron at the neuromuscular junction?
1. Adrenaline
2. Noradrenaline
3. Acetylcholine
4. Serotonin
1. Adrenaline
2. Noradrenaline
3. Acetylcholine
4. Serotonin
Subtopic: Synapse |
94%
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The cerebral aqueduct is a narrow 15 mm conduit for cerebrospinal fluid (CSF) that passes through the:
1. Corpus callosum
2. Diencephalon
3. Mid brain
4. Medulla oblongata
1. Corpus callosum
2. Diencephalon
3. Mid brain
4. Medulla oblongata
Subtopic: Hind & Mid Brain |
82%
From NCERT
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