Explore topic-wise MCQs in Biology.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

What does the failure of cell division after DNA replication result in?

A. Polyploidy
B. Aneuploidy
C. Apoptosis
D. Migration of cells
Answer» B. Aneuploidy
2.

In which phase of the cell cycle does the process of replication take place in E.coli?

A. The M phase
B. The G1 phase
C. The G2 phase
D. The S phase
Answer» E.
3.

The DNA polymerase enzymes can initiate the process of replication on their own.

A. True
B. False
Answer» C.
4.

In which direction do the DNA dependent DNA polymerases catalyse the polymerization reaction?

A. 3 5
B. 5 3
C. In both the directions
D. Is not direction dependent
Answer» C. In both the directions
5.

In which type of process, can replication be seen at the small opening of the DNA?

A. Transformation
B. Incision
C. Mutation
D. Replication fork
Answer» E.
6.

What will happen if any abnormal changes or mistakes occur during the process of replication?

A. Mutation
B. Normal cell growth
C. Unpredictable cell deaths
D. Rapid formation of new cells
Answer» B. Normal cell growth
7.

How long does it take for E. Coli to replicate?

A. 10 minutes
B. 20 minutes
C. 18 minutes
D. 21 minutes
Answer» D. 21 minutes
8.

Which enzyme is used for the process of replication in E. Coli?

A. Restriction enzyme
B. Protease enzyme
C. Lipase enzyme
D. DNA polymerase
Answer» E.