Select Chapter Topics:
Q. No.Match Column I with Column II:
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
Codes:
A
B
C
1.
P
Q
R
2.
Q
P
R
3.
R
P
Q
4.
R
Q
P
Subtopic: Â Nervous System |
 82%
Level 1: 80%+
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Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Pons | I. | Provides additional space for Neurons, regulates posture and balance |
| B. | Hypothalamus | II. | Controls respiration and gastric secretions |
| C. | Medulla | III. | Connects different regions of the brain |
| D. | Cerebellum | IV. | Neuro secretory cells |
| 1. | A-III, B-IV, C-II, D-I | 2. | A-I, B-III, C-II, D-IV |
| 3. | A-II, B-I, C-III, D-IV | 4. | A-II, B-III, C-I, D-IV |
Subtopic: Â Nervous System |Â Hind & Mid Brain |Â Fore Brain |
 80%
Level 1: 80%+
NEET - 2024
Hints
The mechanism by which neurotransmitters are released into the synaptic cleft from the presynaptic neuron involves:
1. Simple diffusion
2. Active transport
3. Exocytosis
4. Endocytosis
1. Simple diffusion
2. Active transport
3. Exocytosis
4. Endocytosis
Subtopic: Â Synapse |
 59%
Level 3: 35%-60%
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Hints
How many of the given statements are correct?
| I: | Chemical synapses use neurotransmitters to transmit impulses. |
| II: | Nodes of Ranvier are gaps in the myelin sheath of axons. |
| III: | The occipital lobe is associated with processing visual information. |
| IV: | The temporal lobe is involved in processing auditory information. |
| V: | The spinal cord is responsible for voluntary actions. |
2. 3
3. 4
4. 5
Subtopic: Â Synapse |Â Neuroanatomy |
 59%
Level 3: 35%-60%
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Hints
When an action potential abruptly drops from positive to negative, this is because
| 1. | potassium gates are inactivated and sodium gates are opened. |
| 2. | sodium gates are inactivated and potassium gates are opened. |
| 3. | both potassium and sodium gates are inactivated. |
| 4. | both potassium and sodium gates are opened. |
Subtopic: Â Action Potential |
 67%
Level 2: 60%+
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Hints
Please attempt this question first.
The sodium potassium pump transports:
1. three sodium ions from outside to inside a cell.
2. three sodium ions from inside to outside a cell.
3. two potassium ions from outside to inside a cell.
4. both 2 and 3
1. three sodium ions from outside to inside a cell.
2. three sodium ions from inside to outside a cell.
3. two potassium ions from outside to inside a cell.
4. both 2 and 3
Subtopic: Â Action Potential |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
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: | Depolarisation of axonal membrane is due to influx of sodium ions. |
| Statement II: | Repolarisation of axonal membrane is due to efflux of sodium ions. |
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: Â Origin of Resting Membrane Potential |Â Action Potential |
 65%
Level 2: 60%+
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In the peripheral neural system, Schwann cells surround the axons of:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Myelinated nerve fibres |
| II: | Unmyelinated nerve fibres |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Â Nervous System |
 58%
Level 3: 35%-60%
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Hints
Please attempt this question first.
How many of the given statements are correct?
1. 0
2. 1
3. 2
4. 3
| I: | Hind brain and midbrain make up the brain stem. |
| II: | The hindbrain comprises pons, cerebellum and medulla. |
| III: | The forebrain consists of cerebrum, thalamus and hypothalamus. |
2. 1
3. 2
4. 3
Subtopic: Â Hind & Mid Brain |Â Fore Brain |
 57%
Level 3: 35%-60%
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Hints
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The thalamus in human brain is wrapped around a structure which is a major coordinating centre for sensory and motor signalling. Which letter in the given figure shows this structure?
1. a
2. b
3. c
4. d
1. a
2. b
3. c
4. d
Subtopic: Â Fore Brain |
 58%
Level 3: 35%-60%
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Please attempt this question first.
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