Home Biology Biotechnology Principles and Processes Previous Year Questions The introduction of T-DNA into plants involv…
Biology Biotechnology Principles and Processes Previous Year Questions Single Correct MCQ
Published on: August 11, 2026

The introduction of T-DNA into plants involves :

A
Allowing the plant roots to stand in water
B
Infection of the plant by Agrobacterium tumefaciens
C
Altering the pH of the soil, then heat shocking the plants
D
Exposing the plants to cold for a brief period

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The correct answer is:
B

The transfer of T-DNA into plant cells occurs through infection by the bacterium Agrobacterium tumefaciens, which naturally delivers its T-DNA into the plant genome for genetic modification.

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