Principles and Process of Biotechnology - Genetic Engineering (Recombinant DNA technology) NEET Questions

Biology - Biotechnology and Its Applications

Principles and Process of Biotechnology - Genetic Engineering (Recombinant DNA technology) MCQ Questions


7.
The 'sticky ends' of DNA are produced by
A.
Restriction enzymes
B.
Ligase
C.
DNA polymerase
D.
Helicase
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ANSWER :
A. Restriction enzymes
8.
Which enzyme is used to join DNA fragments?
A.
Ligase
B.
Helicase
C.
Primase
D.
Endonuclease
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ANSWER :
A. Ligase
9.
Which of the following is not a step in recombinant DNA technology?
A.
Isolation of DNA
B.
Digestion by restriction enzyme
C.
Electrophoresis of RNA
D.
Insertion of DNA into host
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ANSWER :
C. Electrophoresis of RNA
10.

Agrobacterium tumefaciens causes

NEET - 2022

A.

Crown gall disease

B.

Crown gall disease

C.

Root rot

D.

Mosaic disease

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ANSWER :

B. Crown gall disease

11.

What does PCR stand for?

NEET - 2018

A.

Polymerase Chain Reaction

B.

Primary Chain Reaction

C.

Protein Chain Reaction

D.

Peptide Chain Reaction

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ANSWER :

A. Polymerase Chain Reaction

12.
DNA fragments are separated on the basis of
A.
Density
B.
Molecular shape
C.
Size
D.
Charge
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ANSWER :
C. Size