NEET 1993 · Class 12

Human Health and Disease

Cells involved in immune mechanism are [1993]

  1. (A)Erythrocytes
  2. (B)Lymphocytes
  3. (C)Eosinophils
  4. (D)Thrombocytes

The NCERT line that answers it

Verbatim line

The primary and secondary immune responses are carried out with the help of two special types of lymphocytes present in our blood, i.e., **B-lymphocytes** and **T-lymphocytes**.

Chapter
Human Health and Disease
Section
7.2.2 Acquired Immunity
Page
8
Words matched
26 of 26

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 span explicitly states that lymphocytes (B-lymphocytes and T-lymphocytes) carry out immune responses, directly supporting option B as the correct answer.

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Question text is reproduced from the published NEET 1993 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.