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Q. No.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
Subtopic: Â Action Potential |
Level 4: Below 35%
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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: | 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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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: Â Nervous System |
 81%
Level 1: 80%+
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Match List I with List II:
Choose the correct answer from the options given below:
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
| 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 |
Choose the correct answer from the options given below:
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
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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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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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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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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 |
 58%
Level 3: 35%-60%
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Myelination of axons of the central nervous system is brought about by:
| 1. | microglia | 2. | asrocytes |
| 3. | oligodendrocytes | 4. | Schwann cells |
Subtopic: Â Nervous System |
 57%
Level 3: 35%-60%
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Cerebellum is mainly involved in:
1. consciousness
2. muscle coordination
3. homeostasis
4. sense reception
1. consciousness
2. muscle coordination
3. homeostasis
4. sense reception
Subtopic: Â Hind & Mid Brain |
Level 3: 35%-60%
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