NEET 2022 Re · Class 12

Human Health and Disease

Which of the following reasons is mainly responsible for graft rejection in transplantation of organs?

  1. (A)Cell-mediated response
  2. (B)Inability of recipient to differentiate between 'self' and 'non-self' tissues/cells
  3. (C)Humoral immune response only
  4. (D)Auto-immune response

The NCERT line that answers it

Verbatim line

The body is able to differentiate 'self' and 'nonself' and the cell-mediated immune response is responsible for the graft rejection.

Chapter
Human Health and Disease
Section
7.2.2 Acquired Immunity
Page
9
Words matched
20 of 20

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 'the cell-mediated immune response is responsible for the graft rejection,' which directly matches and proves option A as the correct answer.

We did this for 1,565 questions.

Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

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Question text is reproduced from the published NEET 2022 Re 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.