Assertion: Biceps and triceps are antagonistic muscles. Reason: The biceps flexes the arm and the triceps straightens the arm.

Question

Assertion: Biceps and triceps are antagonistic muscles. Reason: The biceps flexes the arm and the triceps straightens the arm. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

Some muscles are arranged in sets of two and act in opposition to bring movement. Such muscles are called antagonistic muscles. For example, the biceps bends or flexes the arm and its antagonist, the triceps straightens or extends the arm.

Q. Assertion : Biceps and triceps are antagonistic muscles. Reason : The biceps flexes the arm and the triceps straightens the arm.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

Some muscles are arranged in sets of two and act in opposition to bring movement. Such muscles are called antagonistic muscles. For example, the biceps bends or flexes the arm and its antagonist, the triceps straightens or extends the arm.

Q. Assertion : Biceps and triceps are antagonistic muscles.
Reason : The biceps flexes the arm and the triceps straightens the arm.