Q172 / 180 · AIIMS 2013 · Zoology

Select the option having all the correct characteristics. Figure

  • A
    Figure
  • Correct answer
    B
    Figure
  • C
    Figure
  • D
    Figure

Solution

Options (a), (b), (c) and (d) show neutrophil, basophil, eosinophil and monocyte respectively. Neutrophils are the most abundant cells (60-65\%) of the total WBCs and basophils are the least (0.5 - $1 \%)$ among them. Neutrophils and monocytes $(6-8 \%)$ are phagocytic cells. Which destroy foreign organisms entering the body. Basophils secrete histamine, serotonin, heparin, etc. and are involved in inflammatory reactions. Eosinophils (2 - 3\%) resist infections and are also associated with allergic reactions.

Hence, the correct answer is option: 'B'.

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