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Q. No.Consider the given two statements:
Statement I:
The left and right cerebral hemispheres are connected by a tract of nerve fibres called corpus callosum.
Statement II:
A canal called the cerebral aqueduct passess through the midbrain.
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Hind & Mid Brain | Fore Brain |
93%
From NCERT
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| Assertion(A): | The resting axonal membrane is more permeable to potassium ions than sodium ions |
| Reason(R): | Potassium is the principal cation in the intracellular fluid. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False and (R) is True. |
Subtopic: Origin of Resting Membrane Potential |
From NCERT
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How many of the given statements are correct?
1. 2
2. 3
3. 4
4. 5
| I: | Multipolar neurons are found in the cerebral cortex |
| II: | Bipolar neurons are found in the retina of eye |
| III: | Unipolar neurons are found usually in the embryonic stage. |
| IV: | Unmyelinated nerve fibres are found in spinal and cranial nerves. |
| V: | Myelinated nerve fibres are commonly found in autonomous and the somatic neural systems. |
2. 3
3. 4
4. 5
Subtopic: Nervous System |
67%
From NCERT
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | Depolarisation of axonal membrane is due to influx of sodium ions. |
| Statement II: | Repolarisation of axonal membrane is due to efflux of sodium ions. |
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Origin of Resting Membrane Potential | Action Potential |
62%
From NCERT
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Which part of the human brain is associated with emotions, long term memory and behaviour?
| 1. | Cerebellum | 2. | Cerebrum |
| 3. | Limbic system | 4. | Brain stem |
Subtopic: Fore Brain |
76%
From NCERT
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| Assertion (A): | Electrical synapses are rarer than chemical synapses in human body. |
| Reason(R): | Electrical synapses are faster than chemical synapses. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Synapse |
84%
From NCERT
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The axoplasm inside the axon contains:
1. Only I and III
2. I, II and III
3. Only II
4. Only I and II
| I: | low concentration of K+ |
| II: | high concentration of negatively charged proteins |
| III: | high concentration of Na+ |
2. I, II and III
3. Only II
4. Only I and II
Subtopic: Action Potential |
79%
From NCERT
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The hypothalamus in the human brain does not play a direct role in:
1. Thermoregulation
2. Osmoregulation
3. Endocrine functions
4. Gastric secretions
1. Thermoregulation
2. Osmoregulation
3. Endocrine functions
4. Gastric secretions
Subtopic: Hind & Mid Brain | Fore Brain |
68%
From NCERT
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The two cerebral hemispheres in the human brain are connected by a tract of nerve fibres called:
| 1. | corpus striatum | 2. | corpus callosum |
| 3. | corpus luteum | 4. | corpus unigemina |
Subtopic: Fore Brain |
94%
From NCERT
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How many of the given statements are correct?
1. 0
2. 1
3. 2
4. 3
| I: | Hind brain and midbrain make up the brain stem. |
| II: | The hindbrain comprises pons, cerebellum and medulla. |
| III: | The forebrain consists of cerebrum, thalamus and hypothalamus. |
2. 1
3. 2
4. 3
Subtopic: Hind & Mid Brain | Fore Brain |
52%
From NCERT
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