NEET 1998 · Class 12

Biotechnology: Principles and Processes

Restriction endonucleases are (1998)

  1. (A)used for in vitro DNA synthesis
  2. (B)used in genetic engineering
  3. (C)synthesized by bacteria
  4. (D)present in mammalian cells for degradation of DNA

The NCERT line that answers it

Verbatim line

Restriction endonucleases are used in genetic engineering to form 'recombinant' molecules of DNA, which are composed of DNA from different sources/genomes.

Chapter
Biotechnology: Principles and Processes
Section
9.2 Tools of Recombinant DNA Technology
Page
6
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 'Restriction endonucleases are used in genetic engineering to form recombinant molecules of DNA', which directly matches and proves option B.

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