DNA AND RNA (Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication; Central dogma; Transcription...) NEET Questions

Biology - Genetics and Evolution

DNA AND RNA (Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication; Central dogma; Transcription...) MCQ Questions


7.

Which enzyme joins Okazaki fragments?

NEET - 2017

A.

Helicase

B.

Primase

C.

Ligase

D.

DNA polymerase I

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ANSWER :

C. Ligase

8.
Which of the following carries genetic information from DNA to ribosome?
A.
mRNA
B.
tRNA
C.
rRNA
D.
snRNA
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ANSWER :
A. mRNA
9.

The lac operon is an example of

NEET - 2019

A.

Constitutive gene

B.

Inducible operon

C.

Repressible operon

D.

Housekeeping gene

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ANSWER :

B. Inducible operon

10.

Which is not found in prokaryotic DNA replication?

A.

DNA polymerase III

B.

Okazaki fragments

C.

RNA primer

D.

Telomerase

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ANSWER :

D. Telomerase

11.
What binds to the operator in the lac operon?
A.
RNA polymerase
B.
Repressor protein
C.
Betagalactosidase
D.
Structural gene
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ANSWER :
B. Repressor protein
12.

Which of the following is a stop codon?

NEET - 2020

A.

AUG

B.

UAG

C.

GUG

D.

UAA

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ANSWER :

B. UAG