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NEET 2023, Biology Q90: Blood

NEET2023Biology
Q.

Which of the following statements are correct?

A. Basophils are 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

Choose the correct answer from the options given below:

  1. A

    D and E only

  2. B

    C and E only

  3. C

    B and C only

  4. D

    A and B only

Solution

Basophils secrete histamine, serotonin and heparin (B correct) and participate in inflammatory and allergic responses (C correct). They are least abundant (–) of WBCs, not most (A wrong) — neutrophils are most abundant. Basophils have a lobed nucleus; kidney-shaped nuclei belong to monocytes (D wrong). Basophils are granulocytes, not agranulocytes (E wrong).

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