Explore topic-wise MCQs in Molecular Biology.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Molecular Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Presence of introns facilitates the formation of several different mRNAs, thus increasing protein yield of different types but from same gene.

A. True
B. False
Answer» B. False
2.

Introns are nothing more than genetic load in the eukaryotic genome.

A. True
B. False
Answer» C.
3.

Mouse β – globin gene has __________ introns.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
4.

Non – coding sequence in mRNA is known as __________

A. Template
B. Non – template
C. Intron
D. Exon
Answer» D. Exon
5.

INTRONS_ARE_NOTHING_MORE_THAN_GENETIC_LOAD_IN_THE_EUKARYOTIC_GENOME.?$

A. True
B. False
Answer» C.
6.

Presence of introns facilitates the formation of several different mRNAs, thus increasing protein yield of different types but from same gene.$

A. True
B. False
Answer» B. False
7.

The mRNA of which eukaryotic protein lacks introns?

A. Haemoglobin
B. Myoglobin
C. Histone
D. Polymerase
Answer» D. Polymerase
8.

The amount of exon in the eukaryotic genome is higher than that of the introns.

A. True
B. False
Answer» C.
9.

Mouse β – globin gene has __________ introns.$

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
10.

Adenovirus is a useful model of studying gene expression because __________

A. High infection rate
B. Assured transformation
C. High protein production
D. Short duplication time
Answer» D. Short duplication time
11.

Introns were first discovered in __________

A. 1958
B. 1955
C. 1966
D. 1977
Answer» E.
12.

Which of the following organisms have overlapping genes?

A. Virus
B. Bacteria
C. Fungi
D. Yeast
Answer» B. Bacteria
13.

Which of the following organisms have monocistronic DNA?

A. Virus
B. Bacteria
C. Fungi
D. Yeast
Answer» C. Fungi
14.

Non – coding sequence in mRNA is known as __________

A. Template
B. Non – template
C. Intron
D. Exon
Answer» D. Exon