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Q. No.Nissl’s granules are seen in:
I: Cell body of the neuron
II: Dendrites
I: Cell body of the neuron
II: Dendrites
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Neuroanatomy |
87%
From NCERT
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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: | The cerebral hemispheres are connected by a tract of nerve fibres called corpus striatum. |
| Statement II: | The layer of cells which covers the cerebral hemisphere is called cerebral cortex. |
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: Fore Brain |
79%
From NCERT
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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 |
94%
From NCERT
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Based on the number of axon and dendrites, the neurons are classified as:
I: Multipolar found in the retina of the eye
II: Bipolar found in the cerebral cortex
III: Unipolar found usually in the embryonic stage
IV: Pseudounipolar found in the dorsal root ganglion of the spinal nerve
1. Only I and II are correct
2. Only III and IV are correct
3. I, II, III and IV are correct
4. I, II, III and IV are incorrect
I: Multipolar found in the retina of the eye
II: Bipolar found in the cerebral cortex
III: Unipolar found usually in the embryonic stage
IV: Pseudounipolar found in the dorsal root ganglion of the spinal nerve
1. Only I and II are correct
2. Only III and IV are correct
3. I, II, III and IV are correct
4. I, II, III and IV are incorrect
Subtopic: Neuroanatomy |
92%
From NCERT
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The nerve fibres of the peripheral nervous system (PNS) are of two types:
| I: | Afferent nerve fibres transmit impulses from tissues/organs to the central nervous system (CNS) |
| II: | Efferent fibres transmit regulatory impulses from the CNS to the concerned peripheral tissues/organs |
| 1. | Only I is correct | 2. | Only II is correct |
| 3. | Both I and II are correct | 4. | Both I and II are incorrect |
Subtopic: Nervous System |
92%
From NCERT
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Consider the two statements:
1. Both (A) and (R) are True but (R) does not correctly explain (A).
2. Both (A) and (R) are True and (R) correctly explains (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
| Assertion (A): | Neurons are excitable cells. |
| Reason (R): | Their membranes are in a polarised state. |
2. Both (A) and (R) are True and (R) correctly explains (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic: Neuroanatomy |
83%
From NCERT
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The ionic gradients across the resting axonal membrane are maintained by:
| 1. | the passive transport of sodium and potassium ions through membrane channels. |
| 2. | the passive transport of sodium and chloride ions through membrane channels. |
| 3. | the active transport of ions by the sodium-potassium pump which transports 3 Na+ outwards for 2 K+ into the cell. |
| 4. | the active transport of ions by the sodium-chloride pump which transports 3 Na+ outwards for 2 Cl- into the cell. |
Subtopic: Action Potential |
94%
From NCERT
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Consider the two statements:
| Assertion (A): | Electrical synapses allow for faster transmission than chemical synapses. |
| Reason (R): | Electrical synapses are rare in our system. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Action Potential |
85%
From NCERT
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The human forebrain consists of all the following except:
| 1. | cerebrum | 2. | thalamus |
| 3. | hypothalamus | 4. | cerebellum |
Subtopic: Hind & Mid Brain | Fore Brain |
95%
From NCERT
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Association areas in the cerebral cortex:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | are neither clearly sensory nor motor in function. |
| II: | are for complex functions like inter-sensory associations, memory and communication. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Fore Brain |
86%
From NCERT
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