Question

A nucleoside consists of _____

(a) sugar, phosphate

(b) base, phosphate

(c) base, sugar

(d) base, sugar, phosphate

This question was posed to me by my school principal while I was bunking the class.

Question is taken from Biomolecules topic in portion Biomolecules of Biology – Class 11

Answer 1

Right option is (c) base, sugar

For explanation: N nucleoside consists of a nitrogenous base such as adenine, guanine, cytosine or thymine linked to a deoxyribose sugar. When a phosphate group is attached, it is known as a nucleotide.