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Q. No.Consider the given two statements:
Statement I:
The central nervous system consists of the brain and spinal cord.
Statement II:
The peripheral nervous system consists of cranial nerves and spinal nerves.
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: Nervous System |
85%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | The myelin sheath increases the speed of nerve impulse conduction. |
| Reason (R): | The myelin sheath acts as an insulator and allows saltatory conduction of nerve impulses. |
| 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: Neuroanatomy |
84%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | During the depolarization phase of a nerve impulse, the inside of the neuron becomes positive compared to the outside. |
| Reason (R): | Depolarization occurs due to the influx of sodium ions (Na+) into the neuron through sodium channels. |
| 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: Action Potential |
88%
Level 1: 80%+
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Match each item in Column-I with one item in Column-II and select the best match from the codes given:
Codes:
| Column-I | Column-II | ||
| A. | Cerebellum | P. | Respiration |
| B. | Medulla | Q. | Homeostasis |
| C. | Hypothalamus | R. | Balance |
| D. | Thalamus | S. | Relay center |
| A | B | C | D | |
| 1. | R | S | Q | P |
| 2. | P | R | Q | S |
| 3. | R | P | Q | S |
| 4. | P | Q | S | R |
Subtopic: Fore Brain |
86%
Level 1: 80%+
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The hypothalamus is involved in the regulation of various functions. Which of the following is not controlled by the hypothalamus?
| 1. | Body temperature |
| 2. | Urge for eating and drinking |
| 3. | Coordination of voluntary movements |
| 4. | Secretion of hypothalamic hormones |
Subtopic: Fore Brain |
87%
Level 1: 80%+
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The autonomic nervous system, which regulates involuntary physiological functions, is divided into two main branches called the:
| 1. | Central and peripheral nervous systems |
| 2. | Somatic and autonomic nervous systems |
| 3. | Sympathetic and parasympathetic nervous systems |
| 4. | Enteric and central nervous systems |
Subtopic: Fore Brain |
85%
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The small but critical region of the brain that controls various functions, including temperature regulation, thirst, hunger, and is involved in regulation of endocrine functions, is:
1. Medulla oblongata
2. Pons
3. Midbrain
4. Hypothalamus
1. Medulla oblongata
2. Pons
3. Midbrain
4. Hypothalamus
Subtopic: Fore Brain |
94%
Level 1: 80%+
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Most of the neuron cytoplasm is located in the
1. cell body
2. axon
3. dendrites
4. synaptic terminals
1. cell body
2. axon
3. dendrites
4. synaptic terminals
Subtopic: Neuroanatomy |
83%
Level 1: 80%+
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Which part of the brain controls autonomic functions and regulates body temperature?
1. cerebrum
2. hypothalamus
3. pons
4. thalamus
1. cerebrum
2. hypothalamus
3. pons
4. thalamus
Subtopic: Fore Brain |
90%
Level 1: 80%+
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The human brain is protected by
| 1. | meninges, cerebrospinal fluid, and skull bones |
| 2. | meninges and skull bones only |
| 3. | dura mater and fourth ventricle |
| 4. | pia mater and skull bones |
Subtopic: Neuroanatomy |
84%
Level 1: 80%+
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