Question

Which one of the following viruses has single stranded DNA and is used extensively as cloning vector in recombinant DNA technology?

• A. TMV
• B. Lambda phage
• C. Adenovirus
• D. $M_{13}$

Answer 1

The correct option is D $M_{13}$

D. M13

Solution : M13 is circular single stranded DNA virus that is used as cloning vector in DNA technology. Lambda phage and adenovirus are both double stranded while TMV is a RNA virus.

So the correct answer is "M13"