Biology
Assertion (A): Radius and ulna are the two long bones of the lower arm.
Reason (R): Tibia and fibula are the two long bones of the shank.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Skeleton
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Answer
Both A and R are True.
Reason — The radius and ulna are the two long bones of the forearm. They extend from the elbow to the wrist. The tibia and fibula are the two long bones of the lower leg, also called the shank. They extend from the knee to the ankle.
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