Explore topic-wise MCQs in Life Sciences.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following transcription termination technique has RNA dependent ATPase activity?

A. Intercalating agents
B. Rho dependent
C. Rho independent
D. Rifampcin
Answer» C. Rho independent
2.

How many base pairs of DNA is transcribed by RNA polymerase in one go?

A. 5-6
B. 3
C. 4
D. 7-8
Answer» E.
3.

Which of the following is used to describe the time taken by RNA polymerase to leave the promoter?

A. Promoter clearance time
B. Abortive initiation
C. Elongation factor
D. Mean time
Answer» B. Abortive initiation
4.

Name the sigma factor which is used for promoter recognition?

A. Sigma 32
B. Sigma 70
C. Sigma 60
D. Sigma 40
Answer» C. Sigma 60