Home Biology Biotechnology Principles and Processes NCERT Plasmid vector in recombinant DNA technology…
Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 12, 2026

Plasmid vector in recombinant DNA technology means

A
a virus that transfer gene to bacteria
B
extra chromosomal replicating circular DNA
C
sticky end of DNA
D
any fragment of DNA carrying desirable gene

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The correct answer is:
B

A plasmid vector is a small, circular, extrachromosomal DNA molecule found in bacteria that can replicate independently and is used to carry foreign genes in recombinant DNA technology.

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