Which of the following cells do not exhibit phagocytotic activity ?
(a) Monocytes (b) Netrophil (c) Basophil (d) Macrophage

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Solution

Option (c) Basophil

Basophil is the least common of granulocyte, only composed of 0.01% of 0.3% of the circulating white blood cells. These are involved in specific kinds of inflammatory reactions, particularly those which cause allergic reactions and do not exhibit phagocytotic activity.
Whereas, monocytes migrate from bloodstream to tissue and differentiate into resident macrophage, e.g., kupffer cells in liver and neutrophils target bacteria and fungi. Macrophages are also phagocytotic in nature.

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m m^{3}

	Column-I		Column-II
(a)	Eosinophils	(i)	Phagocytic, agranular
(b)	Basophils	(ii)	Release histaminase
(c)	Neutrophils	(iii)	Secrete histamine, involved in inflammation
(d)	Monocytes	(iv)	Most abundant of total WBCs

Agranulocytes are :
(a) lymphocytes and monocytes
(b) lymphocytes and basophils
(c) eosinophils and basophils
(d) dosinophils and monocytes

Agranuliocytes are :
(a) lymphocytes and monocytes
(b) lymphocytes and basophils
(c) eosinophils and basophils
(d) dosinophils and monocytes

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