Explore topic-wise MCQs in Biochemistry.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Building blocks of nucleic acids are ____________

A. Nucleotides
B. Nucleosides
C. Amino acids
D. Histones
Answer» B. Nucleosides
2.

The sugar molecule in a nucleotide is ____________

A. Pentose
B. Hexose
C. Tetrose
D. Triose
Answer» B. Hexose
3.

Group of adjacent nucleotides are joined by ____________

A. Phosphodiester bond
B. Peptide bond
C. Ionic bond
D. Covalent bond
Answer» B. Peptide bond
4.

What is the composition of nucleotide?

A. a sugar + a phosphate
B. a base + a sugar
C. a base + a phosphate
D. a base + a sugar + phosphate
Answer» E.
5.

Identify the purine base of nucleic acids in the following.

A. Cytosine
B. Thymine
C. Uracil
D. Adenine
Answer» E.