Assertion (A): All mammals are warm-blooded. Reason (R): All warm-blooded animals are mammals.

B. BOTH A AND R ARE TRUE, BUT R IS NOT THE CORRECT EXPLANATION FOR A.

Assertion (A): Reading improves vocabulary. Reason (R): A larger vocabulary enhances communication skills.

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

Assertion (A): All birds can fly. Reason (R): Penguins are birds that cannot fly.

D. A IS FALSE, BUT R IS TRUE.

Assertion (A): All fruits contain seeds. Reason (R): Some fruits are seedless varieties.

D. A IS FALSE, BUT R IS TRUE.

Assertion (A): Logic puzzles enhance critical thinking skills. Reason (R): Critical thinking skills are essential for problem-solving.

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