Given below are two statements.
Statement I: Polymorpho-nuclear leukocytes (neutrophils) and monocytes form the cellular barriers of innate immunity.
Statement II: Natural killer cells are a type of lymphocytes in the blood which can phagocytose and destroy microbes and so are a part of specific immunity.
In light of the above statements, choose the correct answer from the options given below.

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Both statement I and statement II are correct.

Both statement I and statement II are incorrect.

Statement I is correct but statement II is incorrect.

Statement I is incorrect but statement II is correct.

answer is C.

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Detailed Solution

Statement I is correct. Neutrophils (a type of polymorphonuclear leukocyte) and monocytes (which can differentiate into macrophages) are key components of the innate immune response, providing immediate defense against infections.
Statement II is incorrect. While natural killer (NK) cells are a type of lymphocyte that can destroy infected cells. NK cells are a part of the innate immune system, not the specific (adaptive) immunity.

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