Assertion: Mechanism of muscle contraction is expalained by sliding-filaments theory.
Reason: Contraction of muscle fibre takes place by the sliding of thick filaments over the thin filaments.

Options

A. If both assertion and reason are ture and reason is the corect explanation of assertion
B. If both assertion and reason are ture but reson is not the correct explanation of assertion
C. If assertion is true reason is false
D. If both assertion and reason are false

Answer

c

Explanation

Mechanism of muscle contraction is best explained by the sliding filament theory which states that contraction of a muscle fibre takes place by the sliding of the thin filaments over the thick filaments.