Question

Kidney-shaped nucleus occurs in

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

Answer 1

Answer: (C)

Monocyte

A. Neutrophils are granulocytes having a 2-5 lobed nucleus. They perform phagocytosis and destroy bacteria.

B. Eosinophils are granulocytes. They have bilobed nucleus. These cells play important role in immunity and allergic reactions.

C. Monocytes are agranulocytes. They have a kidney-shaped nucleus. These cells are actively motile and phagocytic cells.

D. Lymphocytes are agranulocytes. They have a large centralised round nucleus. These cells mediate immunity and secrete antibodies.

So, the correct answer is 'Monocyte'.