Which of the following is not a constituent of $RNA$?

Given below are two statements:
Statement $I$: Cytosine and guanine are formed in equal quantities in $DNA$ hydrolysis.
Statement $II$: Adenine and uracil are formed in equal quantities in $RNA$ hydrolysis.
The correct answer is:

Which nitrogen atom of a purine base is bonded with the furanose sugar to form a nucleoside?

Which of the following is not present in $RNA$?

Which of the following statements is $NOT$ true for nucleic acids?

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 $DNA$