Q172 / 180 · AIIMS 2013 · Zoology
Select the option having all the correct
characteristics.


- A

- Correct answerB

- C

- D

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'.