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Q. No.Which statement about the limbic system is correct?
1.
The limbic system is primarily involved in controlling voluntary movements.
2.
It is primarily responsible for the regulation of vision and hearing.
3.
The limbic system is involved in emotion, memory, and arousal.
4.
It coordinates high cognitive functions like reasoning and language.
Subtopic: Fore Brain |
87%
From NCERT
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Match Column I with Column II:
Codes:
| Column I | Column II | ||
| A | Sensory neurons | P | carry signals from the CNS to effectors (muscles or glands) |
| B | Motor neurons | Q | connect sensory and motor neurons |
| C | Interneurons | R | transmit signals from sensory receptors to the central nervous system |
| A | B | C | |
| 1. | P | Q | R |
| 2. | Q | P | R |
| 3. | R | P | Q |
| 4. | R | Q | P |
Subtopic: Nervous System |
56%
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Which part of the brain is responsible for maintaining posture and balance?
1. Cerebrum
2. Cerebellum
3. Medulla oblongata
4. Hypothalamus
1. Cerebrum
2. Cerebellum
3. Medulla oblongata
4. Hypothalamus
Subtopic: Hind & Mid Brain |
83%
From NCERT
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Which of the following is not a function of the hypothalamus?
1. Regulating body temperature
2. Controlling appetite
3. Regulating the functions of anterior pituitary gland
4. Establishment of respiratory rhythm
1. Regulating body temperature
2. Controlling appetite
3. Regulating the functions of anterior pituitary gland
4. Establishment of respiratory rhythm
Subtopic: Fore Brain |
84%
From NCERT
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Consider the given two statements
| Assertion (A): | Myelinated neurons conduct impulse at a higher rate than the unmyelinated neurons. |
| Reason (R): | Myelinated neurons have saltatory conduction of impulse. |
| 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, (R) is False. |
| 4. | (A) is False, (R) is False. |
Subtopic: Nervous System |
89%
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Which neurotransmitter is released by the anterior motor neuron at the neuromuscular junction?
1. Adrenaline
2. Noradrenaline
3. Acetylcholine
4. Serotonin
1. Adrenaline
2. Noradrenaline
3. Acetylcholine
4. Serotonin
Subtopic: Synapse |
94%
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When an adequate strength of the stimulus is applied to a resting axonal membrane, which of the following will lead to depolarization and the development of action potential?
1. Efflux of sodium ions
2. Influx of sodium ions
3. Influx of potassium ions
4. Efflux of potassium ions
1. Efflux of sodium ions
2. Influx of sodium ions
3. Influx of potassium ions
4. Efflux of potassium ions
Subtopic: Origin of Resting Membrane Potential | Action Potential |
81%
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: | Sensory nerves consist of nerve fibers that conduct impulses toward the central nervous system (CNS). |
| Statement II: | Motor nerves consist of nerve fibers that conduct impulses away from the CNS. |
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: Nervous System |
96%
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How many of the given statements are true?
1. 1
2. 2
3. 3
4. 4
| I: | The PNS is divided into two divisions called somatic neural system and autonomic neural system. |
| II: | The somatic neural system relays impulses from the CNS to skeletal muscles while the autonomic neural system transmits impulses from the CNS to the involuntary organs and smooth muscles of the body. |
| III: | The autonomic neural system is further classified into sympathetic neural system and parasympathetic neural system. |
| IV: | Visceral nervous system is the part of the peripheral nervous system that comprises the whole complex of nerves, fibres, ganglia, and plexuses by which impulses travel from the central nervous system to the viscera and from the viscera to the central nervous system. |
1. 1
2. 2
3. 3
4. 4
Subtopic: Nervous System |
91%
From NCERT
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Which of the following sequences correctly represents the chronological order of events during synaptic transmission at a chemical synapse?
| 1. | Arrival of action potential at presynaptic terminal → Binding of neurotransmitters to postsynaptic receptors → Release of neurotransmitters into the synaptic cleft → Opening of calcium channels |
| 2. | Arrival of action potential at presynaptic terminal → Opening of calcium channels → Release of neurotransmitters into the synaptic cleft → Binding of neurotransmitters to postsynaptic receptors |
| 3. | Binding of neurotransmitters to postsynaptic receptors → Opening of calcium channels → Arrival of action potential at presynaptic terminal → Release of neurotransmitters into the synaptic cleft |
| 4. | Release of neurotransmitters into the synaptic cleft → Arrival of action potential at presynaptic terminal → Opening of calcium channels → Binding of neurotransmitters to postsynaptic receptors |
Subtopic: Synapse |
87%
From NCERT
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