Explore topic-wise MCQs in Biology.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

The enzyme which cleaves RNA is _______

A. DNase
B. ribonuclease
C. ligase
D. protease
Answer» C. ligase
2.

_______ is the building block of carbohydrates.

A. Monosaccharide
B. Amino acid
C. Glycerol
D. Fatty acids
Answer» B. Amino acid
3.

______ is the monomer of proteins.

A. Monosaccharide
B. Fatty acids
C. Amino acid
D. Glycerol
Answer» D. Glycerol
4.

______ is a monomer of lipids.

A. Amino acid
B. Monosaccharide
C. Fatty acids
D. Sugar
Answer» D. Sugar
5.

Which macromolecules are present along with DNA within the cell?

A. Viruses
B. Bacteria
C. Vectors, organelles
D. Lipids, polysaccharides
Answer» E.
6.

The restriction enzyme needs to be in _____ form to cut the DNA.

A. impure
B. pure
C. mixed
D. hybrid
Answer» C. mixed
7.

The enzyme which cleaves DNA is _______

A. ligase
B. lipase
C. DNase
D. RNase
Answer» D. RNase
8.

The fungal cells can be lysed by using ______ enzyme.

A. lysozyme
B. cellulase
C. chitinase
D. lipase
Answer» D. lipase
9.

The plant cells can be lysed by using ______ enzyme.

A. lipase
B. chitinase
C. ligase
D. cellulase
Answer» E.
10.

The bacterial cells can be lysed by using ______ enzyme.

A. protease
B. lysozyme
C. lipase
D. cellulase
Answer» C. lipase
11.

The nucleic acid in most of the organisms is ______

A. DNA
B. RNA
C. proteins
D. lipids
Answer» B. RNA