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Q. No.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
Subtopic: Hind & Mid Brain |
82%
From NCERT
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In the peripheral neural system, Schwann cells surround the axons of:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Myelinated nerve fibres |
| II: | Unmyelinated nerve fibres |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Nervous System |
54%
From NCERT
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Nissl’s granules are found in:
I: Soma of the neuron
II: Dendrites of the neuron
III: Axon of the neuron
I: Soma of the neuron
II: Dendrites of the neuron
III: Axon of the neuron
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Nervous System |
79%
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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Consider the given two statements:
| Assertion (A): | Neurons are excitable cells. |
| Reason (R): | The membrane of neurons is polarised. |
| 1. | Both (A) and (R) are True and (R) correctly explains the (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain the (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Nervous System |
88%
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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Which part of our brain is involved in thermoregulation and osmoregulation?
1. Corpora quadrigemina
2. Cerebellum
3. Hypothalamus
4. Pons varolii
1. Corpora quadrigemina
2. Cerebellum
3. Hypothalamus
4. Pons varolii
Subtopic: Fore Brain |
85%
From NCERT
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The depolarisation of the polarised axonal membrane is primarily due to:
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: Action Potential |
77%
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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A person involved in a road traffic accident sustains damage to the occipital lobe. He is likely to have trouble with:
| 1. | Hearing | 2. | Taste |
| 3. | Touch | 4. | Vision |
Subtopic: Fore Brain |
73%
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