- 1(current)
Q. No.What causes the movement of the synaptic vesicles towards the membrane during transmission of impulse across a chemical synapse?
| 1. Sodium | 2. Calcium |
| 3. cAMP | 4. cGMP |
Subtopic: Synapse |
77%
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At a chemical synapse:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | neurotransmitters are involved in the transmission of impulses. |
| II: | the axon terminals contain vesicles filled with the neurotransmitters. |
| III: | the released neurotransmitters bind to their specific receptors, present on the post-synaptic membrane. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Action Potential | Synapse |
94%
From NCERT
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| Assertion (A): | Electrical synapses are rarer than chemical synapses in human body. |
| Reason(R): | Electrical synapses are faster than chemical synapses. |
| 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: Synapse |
84%
From NCERT
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What is a key difference between electrical and chemical synapses?
| 1. | Electrical synapses allow the direct flow of ions from one neuron to another, while chemical synapses involve the release of neurotransmitters. |
| 2. | Chemical synapses can transmit signals faster than electrical synapses. |
| 3. | Electrical synapses involve neurotransmitters, whereas chemical synapses do not. |
| 4. | Chemical synapses are found in the heart, while electrical synapses are found in the brain. |
Subtopic: Synapse |
97%
From NCERT
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What is a key feature of a chemical synapse?
| 1. | Electrical signal directly passes from one neuron to another. |
| 2. | It primarily occurs in the heart. |
| 3. | It does not involve synaptic cleft. |
| 4. | It involves the release of neurotransmitters. |
Subtopic: Synapse |
91%
From NCERT
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