Biology Biotechnology Principles and Processes Processes of Recombinant DNA Technology Single Correct MCQ
Published on: August 11, 2026

Two microbes found to be very useful in genetic engineering are-

A
Crown gall bacterium and Coeroshabalites
B
Escherichia coli and Agrobacterium
C
Vibria cholerea and a tailed bacterioplage
D
Diplococcus sp and Pseudomonas sp

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The correct answer is:
B

Escherichia coli (E. coli) is widely used as a host organism in recombinant DNA technology.

Agrobacterium tumefaciens is used as a vector to transfer genes into plant cells (through its Ti plasmid).

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