Home Biology Biotechnology Principles and Processes NCERT ‘Restriction’ in re strict ion enzyme refers…
Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 13, 2026

‘Restriction’ in re strict ion enzyme refers to

A
cleaving of phosphor diester bond in DNA by the enzyme
B
cutting of DNA at specific position only
C
prevention of the multiplication of bacteriophage by the host bacteria
D
All of the above

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The correct answer is:
C

The term "restriction" refers to the ability of bacteria to restrict (prevent) the growth of invading bacteriophages by cutting their DNA.

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