Question
Write the important structural and functional differences between DNA and RNA.
| DNA | RNA | |
|---|---|---|
| 1. | DNA is the chemical basis of heredity. | RNA is not responsible for heredity. |
| 2. | DNA molecules do not synthesise proteins, but transfer coded message for the synthesis of proteins in the cells. | Proteins are synthesised by RNA molecules in the cells. |
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| Column I | Column II | ||
| (i) | Chloramphenicol | (a) | Malaria |
| (ii) | Thyroxine | (b) | Anaesthetic |
| (iii) | Chloroquine | (c) | Typhoid fever |
| (iv) | Chloroform | (d) | Goiter |
| (e) | Blood substituent |
| Time/sec | Total pressure/atm |
| 0 | 0.30 |
| 300 | 0.50 |
Match the structures of the compounds given in Column I with the name of the compounds given in Column II.
| Column I | Column II | ||
| (i) | ![]() | (a) | Hydroquinone |
| (ii) | ![]() | (b) | Phenetole |
| (iii) | ![]() | (c) | Catechol |
| (iv) | ![]() | (d) | o-Cresol |
| (v) | ![]() | (e) | Quinone |
| (vi) | ![]() | (f) | Resorcinol |
| (g) | Anisole. |
$\text{C}_6\text{H}_5\text{N}_2\text{Cl}\xrightarrow[]{\text{CuCN}}\text{A}\xrightarrow[]{\text{H}_2\text{O}/\text{H}^+}\text{B}\xrightarrow[\Delta]{\text{NH}_3}\text{C}$