NEET 2012 · Class 12

Biotechnology and its Applications

The first clinical gene therapy was given for treating

  1. (A)diabetes mellitus
  2. (B)chicken pox
  3. (C)rheumatoid arthritis
  4. (D)adenosine deaminase deficiency

The NCERT line that answers it

Verbatim line

The first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency.

Chapter
Biotechnology and its Applications
Section
10.2.2 Gene Therapy
Page
5
Words matched
19 of 19

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 first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency,' which directly matches the correct answer and distinguishes it from all other 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.

Question text is reproduced from the published NEET 2012 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.