Explore topic-wise MCQs in Biochemistry.

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

1.

Repressor molecules bind to __________

A. Operator
B. Promoter
C. Enhancer
D. Hormone response element
Answer» B. Promoter
Discussion
2.

What is a DNA library?

A. A DNA fragment inserted into a vector
B. A general collection of all genes sequenced thus far
C. All DNA fragments identified with a probe
D. A collection of DNA fragments that make up the entire genome of a particular organism
Answer» E.
Discussion
3.

E.cor1 is a __________

A. DNA ligase enzyme
B. Restriction endonuclease
C. A vector used for insulin synthesis
D. A plasmid used as a vector
Answer» C. A vector used for insulin synthesis
Discussion
4.

The extra chromosomal, self-replicating, closed, double stranded and circular DNA molecule is generally termed as __________

A. Chromosome
B. Plasmid
C. Genomic DNA
D. Bacteriophage
Answer» C. Genomic DNA
Discussion
5.

Which of the following enzymes combined action leads to the generation of sticky ends in the plasmid vector?

A. Alkaline phosphatase and terminal transferase
B. Exonuclease III and alkaline phosphatase
C. Bacteriophage lambda exonuclease and terminal transferase
D. Exonuclease III and terminal transferase
Answer» D. Exonuclease III and terminal transferase
Discussion