Home Biology Biotechnology and Its Application Biotechnology Application in Agriculture Bacterium commonly used in plant genetic eng…
Biology Biotechnology and Its Application Biotechnology Application in Agriculture Single Correct MCQ
Published on: August 21, 2026

Bacterium commonly used in plant genetic engineering is:

A
Salmonella typhi
B
Agrobacterium tumefaciens
C
Bacillus subtilis
D
Corynebacterium

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The correct answer is:
B

The most commonly used bacterium in plant genetic engineering is Agrobacterium tumefaciens, because it naturally transfers DNA (Ti plasmid) into plant cells and is widely used as a vector in biotechnology.

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