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Q. No.Consider the two statements:
Assertion (A):
The cerebral cortex is referred to as the grey matter.
Reason (R):
Myelin sheaths around the axons give the cerebral cortex a grey appearance.
1.
Both (A) and (R) are True but (R) is not the correct explanation of (A).
2.
Both (A) and (R) are True and (R) is the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
(A) is False but (R) is True.
Subtopic: Fore Brain |
66%
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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The cerebrum wraps around a structure called thalamus, which is:
| 1. | the highest set of regulation of the functions in human body. |
| 2. | a major coordinating centre for sensory and motor signaling. |
| 3. | involved in decoding the sense of olfaction. |
| 4. | vestigial in human beings. |
Subtopic: Fore Brain |
91%
From NCERT
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Limbic system is involved in the regulation of sexual behaviour, expression of emotional reactions (e.g., excitement, pleasure, rage and fear), and motivation primarily along with:
1. cerebrum
2. hypothalamus
3. thalamus
4. mid-brain
1. cerebrum
2. hypothalamus
3. thalamus
4. mid-brain
Subtopic: Fore Brain |
90%
From NCERT
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The midbrain:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | is located between the thalamus/hypothalamus of the forebrain and pons of the hindbrain. |
| II: | is the part of the brain traversed by the cerebral aqueduct. |
| III: | consists mainly of four round swellings (lobes) called corpora cavernosa. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Hind & Mid Brain |
76%
From NCERT
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Three major regions make up the brain stem including all the following except:
| 1. | mid brain | 2. | pons |
| 3. | medulla oblongata | 4. | cerebellum |
Subtopic: Hind & Mid Brain |
88%
From NCERT
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Which part of the human hindbrain consists of fibre tracts that interconnect different regions of the brain?
1. pons
2. cerebellum
3. medulla oblongata
4. corpora quadrigemina
1. pons
2. cerebellum
3. medulla oblongata
4. corpora quadrigemina
Subtopic: Hind & Mid Brain |
74%
From NCERT
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The term ‘saltatory conduction’ is used for conduction of impulse in a myelinated neuron when an impulse jumps from:
1. axon to dendrite
2. node to node
3. dendrite to axon
4. node of Ranvier to axon
1. axon to dendrite
2. node to node
3. dendrite to axon
4. node of Ranvier to axon
Subtopic: Origin of Resting Membrane Potential | Action Potential |
69%
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The peripheral nervous system in the human body does not include:
| 1. | cranial nerve | 2. | ganglion |
| 3. | spinal cord | 4. | spinal nerve |
Subtopic: Nervous System |
78%
From NCERT
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Myelination of axons of the central nervous system is brought about by:
1. microglia
2. asrocytes
3. oligodendrocytes
4. Schwann cells
1. microglia
2. asrocytes
3. oligodendrocytes
4. Schwann cells
Subtopic: Nervous System |
53%
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