Assertion (A): Cell-mediated immunity is primarily carried out by B-lymphocytes. Reason (R): B-lymphocytes produce antibodies that directly attack infected cells.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is NOT the correct explanation of A
- CA is true but R is false
- DA is false but R is true
✓ Correct answer: D
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