WBC Types and Percentages — NEET Biology
✅ Asked in NEET 2026Leucocytes are also known as white blood cells (WBC) as they are colourless due to the lack of haemoglobin. They are nucleated and are relatively lesser in number which averages 6000-8000 mm-3 of blood. Leucocytes are generally short lived. We have two main categories of WBCs – granulocytes and agranulocytes. Neutrophils, eosinophils and basophils are different types of granulocytes, while lymphocytes and monocytes are the agranulocytes. Neutrophils are the most abundant cells (60-65 per cent) of the total WBCs and basophils are the least (0.5-1 per cent) among them. Neutrophils and monocytes (6-8 per cent) 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 per cent) resist infections and are also
NTA tests your knowledge of WBC classification and their relative percentages in blood. Students often confuse which WBCs are granulocytes versus agranulocytes, or mix up the percentage values (neutrophils 60-65%, eosinophils 2-3%, basophils 0.5-1%, monocytes 6-8%). The common mistake is forgetting that neutrophils are the most abundant and basophils are the least. Remember: granulocytes have granules (neutrophils, eosinophils, basophils), while agranulocytes don't (lymphocytes, monocytes). Each type has specific functions—neutrophils and monocytes are phagocytic, basophils cause inflammation, and eosinophils fight infections. These percentages appear regularly because they're factual recall questions that test basic understanding of blood composition.
This paragraph was tested 4 times in NEET.
WBC count is 8000/cu mm. Approximate number of eosinophils and lymphocytes?
Match List-I with List-II.List I A. Eosinophils B. Lymphocytes C. Neutrophils D. Monocytes List II I. 6–8% II. 2–3% III. 20–25% IV. 60–65%
Which of the following are correct?A. Basophils are the most abundant cells of the total WBCs B. Basophils secrete histamine, serotonin and heparin C. Basophils are involved in inflammatory response D. Basophils have kidney shaped nucleus E. Basophils are agranulocytes
Match the following columns and select the correct option: (NEET 2020) Column I (a) Eosinophils (b) Basophils (c) Neutrophils (d) Lymphocytes Column II (i) Immune response (ii) Phagocytosis (iii) Release histamines, destructive enzymes (iv) Release granules containing histamine
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