NEET Zoology
Origin Of Resting Membrane Potential
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Consistency: 20%
Weightage: 4 / 20 Yrs
High-Yield Trend
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2022 1
2011 1
2008 1
2007 Questions 4 MCQs
01
PYQ 2007
easy
zoology ID: neet-200
During the transmission of nerve impulses through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?
| 1. | First negative, then positive, and again back to negative |
| 2. | First positive, then negative, and continue to be negative |
| 3. | First negative, then positive, and then continues to be positive |
| 4. | First positive, then negative, and again back to positive |
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02
PYQ 2008
easy
zoology ID: neet-200
During the propagation of a nerve impulse, the action potential results from the movement of:
1. K+ ions from extracellular fluid to intracellular fluid
2. Na+ ions from intracellular fluid to extracellular fluid
3. K+ ions from intracellular fluid to extracellular fluid
4. Na+ ions from extracellular fluid to intracellular fluid
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03
PYQ 2011
easy
zoology ID: neet-201
When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is:
| 1. | equally permeable to both Na+ and K+ ions |
| 2. | impermeable to both Na+ and K+ ions |
| 3. | comparatively more permeable to K+ ions and nearly impermeable to Na+ ions |
| 4. | comparatively more permeable to Na+ ions and nearly impermeable to K+ ions |
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04
PYQ 2022
easy
zoology ID: neet-202
Select the incorrect statement regarding synapses:
| 1. | Impulse Transmission across a chemical synapse is always faster than that across an electrical synapse. |
| 2. | The membranes of presynaptic and postsynaptic neurons are in close proximity in an electrical synapse. |
| 3. | Electrical current can flow directly from one neuron into the other across the electrical synapse. |
| 4. | Chemical synapses use neurotransmitters. |
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