NEET 2015 · Class 12

Biotechnology: Principles and Processes

The introduction of T-DNA into plants involves

  1. (A)exposing the plants to cold for a brief period
  2. (B)allowing the plant roots to stand in water
  3. (C)infection of the plant by Agrobacterium tumefaciens
  4. (D)altering the pH of the soil, then heat-shocking the plants

The NCERT line that answers it

Verbatim line

For example, *Agrobacterium tumifaciens*, a pathogen of several dicot plants is able to deliver a piece of DNA known as 'T-DNA' to transform normal plant cells into a **tumor** and direct these tumor cells to produce the chemicals required by the pathogen.

Chapter
Biotechnology: Principles and Processes
Section
9.2 Tools of Recombinant DNA Technology
Page
9
Words matched
42 of 42

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 that Agrobacterium tumefaciens delivers T-DNA to transform plant cells, which directly matches the correct answer about T-DNA introduction involving infection by this bacterium.

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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.