MCQ on DNA Replication

Following is a Molecular Biology Quiz which is aimed to strengthen your knowledge on the DNA replication.

Before solving the quiz you can also read our article on DNA replication in bacteria and comparison between bacterial and Eukaryotic DNA replication.

Try to solve the MCQ and Check your score.

 

Results

#1. Nucleotide is formed from

Sugar

Phosphate

Nitrogen base

All of the above

#2. DNA replication starts from origin was discovered by

John Cairns

Ross Inman

Arther Kornbeg

Meselson

#3. The primary enzyme involved in DNA replication of E.coli is

DNA Polymerase I

DNA Polymerase II

DNA Polymerase III

DNA Polymerase IV

#4. Topoisomerase have

Nuclease activity

Supercoiling ability

Can change the Linking number of DNA

All of the above

#5. Klenow fragment contains

Polymerization & Nick Translation

Polymerization and Proof reading

Nick Translation & Proof reading

None of the above

#6. In Eukaryotes, the DNA replication initiates from

Oric

Start point

Replicators

Initiation point

#7. During replication in prokarotes, the torsional strain is relieved by

Helicase

SSB

Gyrase

Polymerase

#8. During DNA replication, denaturation of DNA at bacterial orgin occurs because of binding of

dna A protein

dna B protein

dna C protein

dna D protein

#9. Primosome complex is formed by

dna A and B

dna C and G

dna B and G

dna A and G

#10. The orgin for DNA replication is rich in

AT

GC

ATGC

None of the above

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