NEET 1996 · Class 12

Human Health and Disease

The interferons are

  1. (A)antigen proteins
  2. (B)antiviral proteins
  3. (C)antibiotic proteins
  4. (D)all of these

The NCERT line that answers it

Verbatim line

Virus-infected cells secrete proteins called **interferons** which protect non-infected cells from further viral infection.

Chapter
Human Health and Disease
Section
7.2.1 Innate Immunity
Page
8
Words matched
14 of 14

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

How this line gives the answer

0, emb=0.9135, combined=0.9481). Verified: high — The span explicitly states interferons are proteins secreted by virus-infected cells that protect against viral infection, which directly matches and distinguishes the correct answer 'antiviral proteins'.

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.

Question text is reproduced from the published NEET 1996 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.