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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 |
69%
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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 |
92%
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The hypothalamus:
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 a part of the rhombencephalon. |
| II: | contains a number of centres which control body temperature, urge for eating and drinking. |
| III: | contains several groups of neurosecretory cells, which secrete hormones called hypothalamic hormones. |
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
Subtopic: Fore Brain |
82%
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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 |
92%
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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 |
79%
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%
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The medulla oblongata contains centres for control of all the following except:
1. respiration
2. cardiovascular reflexes
3. gastric secretions
4. thermoregulation
1. respiration
2. cardiovascular reflexes
3. gastric secretions
4. thermoregulation
Subtopic: Hind & Mid Brain | Fore Brain |
90%
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 |
68%
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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%
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The corpora quadrigemina are part of the human:
| 1. | Telencephalon | 2. | Diencephalon |
| 3. | Mid brain | 4. | Hind brain |
Subtopic: Hind & Mid Brain |
93%
From NCERT
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