NEET 1999 · Class 12

Biotechnology: Principles and Processes

59. Which of the following is related to genetic engineering?

  1. (A)Heterosis
  2. (B)Mutation
  3. (C)Plastid
  4. (D)Plasmid

The NCERT line that answers it

Verbatim line

The diagram illustrates the process of creating recombinant DNA. It starts with 'Foreign DNA' (a linear double helix) and 'Vector DNA (plasmid)' (a circular double helix).

Chapter
Biotechnology: Principles and Processes
Section
9.2 Tools of Recombinant DNA Technology

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

How this line gives the answer

0, emb=0.9005, combined=0.9403). Verified: high — The span explicitly states that plasmids are used as vectors in recombinant DNA technology, which is a core component of genetic engineering, directly linking plasmids to 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.

Question text is reproduced from the published NEET 1999 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.