The correct option is A an external nbsp;impulse Stimulus is an event of nbsp;any change in the external environment that evokes a specific functional reac ...

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Standard X

Biology

Stimulus and Response

A stimulus is...

Question

A stimulus is ________ .

a plant hormone

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an enzymatic reaction

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an external impulse

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a deadly infection

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Solution

The correct option is C
an external impulse

Stimulus is an event of any change in the external environment that evokes a specific functional reaction in an organ or tissue.

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A stimulus is ________ .

The correct option is C an external impulse Stimulus is an event of any change in the external environment that evokes a specific functional reaction in an organ or tissue.

The correct option is C
an external impulse

Stimulus is an event of any change in the external environment that evokes a specific functional reaction in an organ or tissue.