NEET Previous Year Question
Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it
Topic: NEET PYQ
Answer: C. Full step-by-step solution below.
- Ais very specific and uses different macrophages.
- Bproduces memory cells for mounting fast secondary response.
- Chas natural killer cells which can phagocytose and destroy microbes.
- Dprovides passive immunity.
Correct answer: C
Solution
(c) Innate immunity is present from birth and provides immediate, non-specific defense. It includes cells like natural killer (NK) cells and phagocytes (macrophages, neutrophils) that destroy microbes.More Human Health & Disease PYQs
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