Assertion (A): All mammals are warm-blooded. Reason (R): Warm-blooded animals can regulate their body temperature internally. Which of the following is correct?

A. BOTH A AND R ARE TRUE, AND R IS THE CORRECT EXPLANATION OF A.

A, B, C, D, and E are five students. The following conditions are provided: A scored higher than B but lower than C. D scored lower than E but higher than A. Who scored the lowest?

B. B

Assertion (A): All birds can fly. Reason (R): Flying requires wings. Which of the following is correct?

D. A IS FALSE, BUT R IS TRUE.

In a race, five participants: P, Q, R, S, and T finished with the following conditions: P finished before Q but after R. S finished before T but after Q. Who finished first?

C. R

Assertion (A): Reading improves vocabulary. Reason (R): A larger vocabulary enhances communication skills. Which of the following is correct?

A. BOTH A AND R ARE TRUE, AND R IS THE CORRECT EXPLANATION OF A.