Explore topic-wise MCQs in Biology.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is the initial “start site“ for the process of transcription?

A. Promoter
B. Terminator
C. Organiser
D. Structural gene
Answer» B. Terminator
2.

In which direction does the DNA dependent RNA polymerase catalyse the polymerisation reaction?

A. 3’ → 5’
B. Bidirectional
C. Direction is dependent on the medium
D. 5’ → 3’
Answer» E.
3.

Which of the following is not a transcription unit of the DNA?

A. Terminator
B. Promoter
C. Organiser
D. Structural gene
Answer» D. Structural gene
4.

Both the strands of DNA are copied during the process of replication.

A. True
B. False
Answer» C.
5.

Which of the following is the main characteristic difference between replication and transcription?

A. I
B. II
C. III
D. IVView Answer
Answer» C. III
6.

During transcription, Adenosine forms a base pair with Uracil instead of Thymine.

A. True
B. False
Answer» B. False
7.

What is the process of copying genetic information from a single strand of DNA into an RNA known as?

A. Translation
B. Transcription
C. Reverse transcription
D. Reverse translation
Answer» C. Reverse transcription