NEET 2013 · Class 11

Body Fluids and Circulation

[DIAGRAM: A microscopic image of a human blood cell identified as a basophil, showing dark purple coarse granules in the cytoplasm.] The figure shows a human blood cell. Identify it and give its characteristics. Blood cell | Characteristics (a) Basophil | Secretes serotonin, inflammatory response (b) B-lymphocyte | Forms about 20% of blood cells involved in immune response (c) Neutrophil | Most abundant blood cells, phagocytic (d) Monocyte | Life span of 3 days, produces antibodies

  1. (A)(a)
  2. (B)(b)
  3. (C)(c)
  4. (D)(d)

The NCERT line that answers it

Verbatim line

Basophils secrete histamine, serotonin, heparin, etc., and are involved in inflammatory reactions.

Chapter
Body Fluids and Circulation
Section
15.1.2 Formed Elements
Page
1
Words matched
12 of 12

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The NCERT span explicitly states that basophils secrete serotonin and are involved in inflammatory reactions, which directly matches the characteristics listed in option (a) and distinguishes it from the other options.

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