MCQ
The function of $DNA$ in an organism is
- ATo assist in the synthesis of $RNA $ molecule
- BTo store information of heredity characteristics
- CTo assist in the synthesis of proteins and polypeptides
- ✓All of these
$(ii)$ store information of heridity characteristics
$(iii)$ assist in the synthesis of protein and polypeptide
all of the above are the functions of $DNA$
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| Column $I$ | Column $II$ |
| $(A)$ $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CHO}$ | $(p)$ gives precipitate with $2, 4$-dinitrophenylhydrazine |
| $(B)$ $\mathrm{CH}_3 \mathrm{C} \equiv \mathrm{CH}$ | $(q)$ gives precipitate with $\mathrm{AgNO}_3$ |
| $(C)$ $\mathrm{CN}^{-}$ | $(r)$ is a nucleophile |
| $(D)$ $\mathrm{I}^{-}$ | $(s)$ is involved in cyanohydrin formation |
$CH _{3} CH = CHCH \left( CH _{3}\right)_{2} \stackrel{ HBr }{\longrightarrow}$