Biotechnology- Principles and Processes Question 60

60. What is true for plasmid?

[2001]

(a) Plasmids are widely used in gene transfer

(b) These are found in virus

(c) Plasmid contains gene for vital activities

(d) These are main part of chromosome

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Answer : a

Hints & Solutions

(a) Plasmids are small intranuclear circular DNAs which carry extra chromosomal genes in bacteria.