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Q. No.Consider the following statements:
I:
Impulses travel by the visceral nervous system from the CNS to the viscera and from the viscera to the CNS.
II:
Impulses travel by the autonomic nervous system from the CNS to the involuntary organs and smooth muscles of the body.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Nervous System |
 79%
From NCERT
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Identify the correct statement:
| 1. | Unmyelinated neurons in PNS are not surrounded by Schwann cell |
| 2. | Electrical synapses, being faster, are more common in the human body |
| 3. | Pia mater is in contact with the brain tissue |
| 4. | The entire hindbrain and the midbrain constitute the brain stem |
Subtopic: Â Neuroanatomy |
 77%
From NCERT
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Identify the incorrect match:
| 1. | Reticular formation | Gatekeeper to consciousness |
| 2. | Thalamus | Major relay centre in diencephalon for messages to the cortex |
| 3. | Superior colliculi | Part of limbic system for emotional behaviour |
| 4. | Pons | Part of hindbrain having nuclei for control of breathing rate |
Subtopic: Â Hind & Mid Brain |Â Diencephalon |
 56%
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Consider the given two statements:
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: | When a neuron is not conducting any impulse, i.e., resting, the axonal membrane is comparatively more permeable to potassium ions (K+ ) and nearly impermeable to sodium ions (Na+). |
| II: | Similarly, the membrane is permeable to negatively charged proteins present in the axoplasm. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Action Potential |
 66%
From NCERT
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Medulla oblongata:
| I: | is a part of the brain stem |
| II: | is a part of the hind brain |
| III: | is a part of the limbic system |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Â Neuroanatomy |Â Hind & Mid Brain |
 83%
From NCERT
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Identify A, B, C and D in the diagrammatic representation of reflex action, showing knee jerk reflex:
| A | B | C | D | |
| 1. | Muscle spindle | Motor end plate | Afferent pathway | Efferent pathway |
| 2. | Muscle spindle | Motor end plate | Efferent pathway | Afferent pathway |
| 3 | Motor end plate | Muscle spindle | Efferent pathway | Afferent pathway |
| 4. | Motor end plate | Muscle spindle | Afferent pathway | Efferent pathway |
Subtopic: Â Hind & Mid Brain |Â Autonomic Nervous System (OLD NCERT) |
 79%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Medulla oblongata | Gastric secretions |
| 2. | Hypothalamus | Control of body temperature |
| 3. | Limbic system | Behaviour |
| 4. | Association areas | Purely sensory areas in the cerebrum |
Subtopic: Â Diencephalon |
 71%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Limbic system | Behaviour |
| 2. | Medulla oblongata | Gastric secretions |
| 3. | Hypothalamus | Thermoregulation |
| 4. | Corpus callosum | Connects cerebellum with rest of the brain |
Subtopic: Â Cerebrum, EEG & Sleep |
 77%
From NCERT
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Which of the following statements is/are true?
| I: | The resting axonal membrane is relatively more permeable to potassium ions and nearly impermeable to sodium ions. |
| II: | Sodium potassium pump transports 3 Na+ outwards for 2 K+ into the cell. |
| 1. | Only I |
| 2. | Only II |
| 3. | Both I and II |
| 4. | Neither I nor II |
Subtopic: Â Origin of Resting Membrane Potential |Â Action Potential |
 83%
From NCERT
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Identify the correct statement:
1. Sympathetic neural system is excitatory to the heart and inhibitory to the gut
2. Sympathetic neural system is inhibitory to the heart and excitatory to the gut
3. Sympathetic neural system is excitatory to the heart and to the gut
4. Sympathetic neural system is inhibitory to the heart and to the gut
Subtopic: Â Autonomic Nervous System: 1 (OLD NCERT) |
 53%
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