Question

The least leucocytes of human blood is

• A. Eosinophil
• B. Basophil
• C. Monocyte
• D. Neutrophil

Answer 1

Answer: (B)

Basophil

Leucocytes are of two types-

1) Agranulocytes that do not have granules in the cytoplasm that are further classified as

a) Lymphocytes that form about 20- 45% of total leucocytes.

b) Monocytes that form 2-10% of total leucocytes.

2) Granulocytes which have granules in the cytoplasm. They include-

a) Eosinophils that form about 1-6% of total leucocytes.

b) Basophils that form 0.5% of total leucocytes.

c) Neutrophil that form 75% of total leucocytes.

Thus the correct answer is option B.