Explore topic-wise MCQs in Genetic Engineering.

This section includes 4 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.

Choose the incorrect statement with respect to rolling circle replication.

A. It is for a single replication fork and yields a concatemeric molecule
B. Staggered cleavage of DNA takes place at the cos sites
C. The cleavage generates 10 nucleotide long overhangs
D. Without the cos sites, the packaging won t be possible
Answer» D. Without the cos sites, the packaging won t be possible
Discussion
2.

The phase generating additional circular DNA molecules in the first phase does it by __________

A. bidirectional theta mode
B. rolling circle mode
C. separation of the two strands
D. copying only one strand
Answer» B. rolling circle mode
Discussion
3.

Induction of lysogen takes place because of __________

A. Low levels of cII gene
B. Low level of cI gene
C. Low levels of both cI and cII gene
D. High levels of both cI and cII gene
Answer» C. Low levels of both cI and cII gene
Discussion
4.

Which of the promoter requires a low level of cI gene for its activation?

A. PR
B. PL
C. PRE
D. PRM
Answer» E.
Discussion