The muscular contraction in which the tension remains same and the mechanical work is also done, is called as

Tetanus

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Single muscle twitch

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Isotonic contraction

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Isometric contraction

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Solution

The correct option is D Isotonic contraction
In isotonic contraction, the tension in the muscle remains constant despite a change in muscle length. This can occur only when a muscle's maximal force of contraction exceeds the total load on the muscle.
So, the correct answer is option C.

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Similar questions

Read the following statements about muscle contraction in humans:

i. Chemical energy is converted into mechanical energy during muscle contraction

ii. Acetylcholineeasterase is an enzyme that catalyzes the production of acetylcholine

iii. In a contracted muscle, volume remains the same.

iv. A contracted muscle becomes shorter and thicker.

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