The reason for the double helical structure of $DNA$ is the operation of

Hydrolysis of which of the following nucleic acids does not give an equal number of $A$ and $T$ or $G$ and $C$?
$(A)$ $m$-$RNA$
$(B)$ Single strand $DNA$
$(C)$ $r$-$RNA$
$(D)$ Double helix $DNA$

Which of the following statements is incorrect regarding the structure of nucleic acids?

If one strand of $DNA$ has the sequence $ATCGTATG$,the sequence in the complementary strand would be

Which of the following sequences is correct in a nucleic acid?

Write the important structural and functional differences between $DNA$ and $RNA$.