Biology Biotechnology Principles and Processes All Topic Question For Revision Test Single Correct MCQ
Published on: August 13, 2026

In recombinant DNA technology, the term vectors refers to –

A
the enzyme that cuts DNA into restriction fragments
B
the sticky end of a DNA fragment
C
a plasmid used to transfer DNA into a living cell
D
a DNA probe used to identify a particular gene

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The correct answer is:
C

In recombinant DNA technology, a vector is a DNA molecule (commonly a plasmid) that carries foreign DNA into a host cell for replication and expression.

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