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Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBody Fluids and Circulation1 Mark
MCQ
Which of the following cells does not exhibit phagocytic activity?
  • A
    Monocytes.
  • B
    Neutrophil.
  • C
    Basophil.
  • D
    Macrophage.
✓

Answer

  1. Basophil

Explanation:

Basophils have less number of coarse granules. They release heparin, serotonin and histamine. They are probably like mast cells of connective tissue and are not phagocytic in nature. Macrophages are cells produced by the differentiation of monocytes in the tissues and are phagocytic in nature. Monocytes are the largest of all types of leucocytes. They are motile and phagocytic in nature and engulf bacteria and cellular debris. Neutrophils have fine granules, they are the most numerous of all leucocytes. They eat harmful germs and are, therefore, phagocytic in nature.

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