NEET 2015 · Class 12

Biotechnology: Principles and Processes

The cutting of DNA at specific locations became possible with the discovery of [NEET 2015]

  1. (A)Restriction enzymes
  2. (B)Selectable markers
  3. (C)Probes
  4. (D)Ligases

The NCERT line that answers it

Verbatim line

The cutting of DNA at specific locations became possible with the discovery of the so-called 'molecular scissors'— **restriction enzymes**.

Chapter
Biotechnology: Principles and Processes
Section
9.1 PRINCIPLES OF BIOTECHNOLOGY
Page
3
Words matched
15 of 19

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

How this line gives the answer

0, emb=0.7764, combined=0.8658). Verified: high — The span directly states that 'The cutting of DNA at specific locations became possible with the discovery of... restriction enzymes', which exactly matches the question and distinguishes the correct answer from other options.

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Question text is reproduced from the published NEET 2015 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.