Question

The base found only in the nucleotldes of $RNA$, is

• A. adenine
• B. uracil
• C. guanine
• D. cytosine

Answer 1

Answer: (B)

Nucleotide contains sugar $+$ base $+$ phosphate. The base present in RNA are adenine; guanine, uracil and cytosine while the base present in DNA are adenine, guanine, thymine and cytosine.
Hence, uracil is the base which is found only in the nucleotide of RNA.