Explore topic-wise MCQs in Genetic Engineering.

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

1.

When lacUV5 control system is used, addition of IPTG _______ the expression of _________

A. activates, T7 RNA polymerase
B. inactivates, T7 RNA polymerase
C. activates, T7 DNA polymerase
D. inactivates, T7 DNA polymerase
Answer» B. inactivates, T7 RNA polymerase
Discussion
2.

Expression of T7 promoter- lac operator hybrid requires ___________

A. T7 RNA polymerase
B. An inducer such as IPTG
C. Both T7 RNA polymerase and inducer such as IPTG
D. T7 DNA polymerase
Answer» D. T7 DNA polymerase
Discussion
3.

The tac promoter includes the lac operator and is regulated by a repressor.

A. True
B. False
Answer» B. False
Discussion
4.

The tac promoter is made by _____ region of trp promoter and _____ region of the lacUV5 promoter.

A. 10, 35
B. 35, 10
C. 10, 10
D. 35, 35
Answer» C. 10, 10
Discussion
5.

The promoter can be controlled by a repressor which is temperature sensitive.

A. True
B. False
Answer» B. False
Discussion