MCQ
The bases that are common in both RNA and DNA are:
- AAdenine, guanine, thymine
- BAdenine, uracil, cytosine
- CAdenine, guanine, cytosine
- DGuanine, uracil, thymine
Explanation:
The bases that are common in both RNA and DNA are adenine, guanine, cytosine.
In addition, Thymine is present in DNA and uracil is present in RNA.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$[Figure]$ $\xrightarrow[{{\text{AlC}}{{\text{l}}_3}}]{{{\text{Succinic anhydride}}}}A\xrightarrow[{{\text{reduction}}}]{{{\text{Clemmenson 's}}}}X$ is