Explore topic-wise MCQs in Genetic Engineering.

This section includes 6 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.

If colEI derived origin of replication is replaced by the origin of replication of F plasmid, it is called as:

A. phagemid
B. F cosmid
C. plasmid
D. fosmid
Answer» E.
Discussion
2.

What happens once the cosmid enters the E. coli cells?

A. There is strict size selection inside E. coli cells
B. Partial deletion may take place
C. The tendency of deletion may is increased by using low copy number
D. The tendency of deletion can t be altered
Answer» C. The tendency of deletion may is increased by using low copy number
Discussion
3.

Which size of the insert is accepted by the cosmids?

A. 10-20 kbp
B. 35-45 kbp
C. 50-60 kbp
D. 100-120 kbp
Answer» C. 50-60 kbp
Discussion
4.

Once cosmids are inside the E.coli cells, they don t generate phage but are propagated as plasmids.

A. True
B. False
Answer» B. False
Discussion
5.

Which of the following doesn t takes place after replication?

A. The single stranded sequence is generated
B. It is circularized to form closed single stranded molecule
C. It may circularize or remain linear
D. The double stranded molecule can be synthesized by cellular DNA synthesis
Answer» D. The double stranded molecule can be synthesized by cellular DNA synthesis
Discussion
6.

Choose the correct statement for the lambda ZAP vector.

A. It is not based on bacteriophage lambda
B. It contains a region that can be excised in vivo
C. The excision leads to the formation of bluescript plasmids and it contains an initiator region only
D. The multiple cloning site is not flanked by the initiator and the terminator region
Answer» C. The excision leads to the formation of bluescript plasmids and it contains an initiator region only
Discussion