The electrical potential difference between outside and inside of a nerve axon before excitation is known as ____________.

Resting potential

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Action potential

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Spike potential

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Reaction potential

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Solution

The correct option is B Resting potential
The electrical potential difference between outside and inside of a nerve fibre before excitation (polarized nerve fibre) is known as resting potential whose value is $- 70$ mV.

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The electrical potential difference between outside and inside of a nerve axon before excitation is known as ____________.

The correct option is B Resting potentialThe electrical potential difference between outside and inside of a nerve fibre before excitation (polarized nerve fibre) is known as resting potential whose value is −70 mV.

The correct option is B Resting potential
The electrical potential difference between outside and inside of a nerve fibre before excitation (polarized nerve fibre) is known as resting potential whose value is $- 70$ mV.