Re-NEET 2026 · Question 171 · Class 12

Human Health and Disease

Colostrum, secreted by mother during initial days of lactation, is abundant in ________.

  1. (A)IgG
  2. (B)IgM
  3. (C)IgA
  4. (D)IgD

The NCERT line that answers it

Verbatim line

The yellowish fluid **colostrum** secreted by mother during the initial days of lactation has abundant antibodies (IgA) to protect the infant.

Chapter
Human Health and Disease
Section
7.2.3 Active and Passive Immunity
Page
9
Words matched
21 of 21

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 colostrum has abundant antibodies (IgA), which directly matches the correct answer and distinguishes it from other immunoglobulin options.

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 Re-NEET 2026 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.