Read the following five statements in the context of a plasmid.
(A) Its DNA is always double stranded.
(B) Its DNA is naked and without histone proteins.
(C) Its DNA can replicate independent of genomic DNA.
(D) Both exons and introns are present in plasmid DNA.
(E) Plasmid DNA can be either linear or circular.
Which of the above given statements are incorrect?