Q.

Which of the following is not a feature of the plasmids                 [2016]

1 Transferable  
2 Single-stranded  
3 Independent replication  
4 Circular structure  

Ans.

(2)

Plasmids are extra-chromosomal, self-replicating, usually circular, double-stranded DNA molecules that serve as vectors which carry foreign DNA segment and replicate inside host cell.