NEET Biology Body Fluids And Circulation Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Body Fluids And Circulation Topic Based

Question & Answer Discuss:

The most active phagocytic white blood cells are:

(a) neutrophils and eosinophils

(b) eosinophils and lymphocytes

(c) lymphocytes and macrophages

(d) neutrophils and monocytes

Answer: (d)

The most active phagocytic white blood cells are neutrophils and monocytes.

Neutrophil is a type of WBC (leucocyte) that has a lobed nucleus and granular cytoplasm. Neutrophils engulf bacteria and release various substance such as lysozyme and oxidizing agents.

Monocyte is the largest form of WBC in vertebrates. It has a kidney shaped nucleus and is actively phagocytic, ingesting bacteria and cells debris.

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