Explore topic-wise MCQs in Molecular Biology.

This section includes 15 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.

Multiple proteins can be synthesized from an mRNA at a time.

A. True
B. False
Answer» B. False
2.

Correct the order of occurrence of the following steps.

A. ii, iii, i, iv
B. iii, i, ii, iv
C. iv, iii, i, ii
D. iii, iv, ii, iView Answer
Answer» B. iii, i, ii, iv
3.

Svedberg unit used to distinguish among the rRNAs and proteins by measuring it’s ___________

A. moecular weight
B. mass
C. composition
D. sedimentation velocity
Answer» E.
4.

Transcriptional coupling ensures a fast rate f translation.

A. True
B. False
Answer» B. False
5.

Transcription and translation occur in the same compartment in the cases of both prokaryotes and eukaryotes.

A. True
B. False
Answer» C.
6.

How many polypeptides are required for the structural assembly of the ribosome?

A. 10
B. Less than 10
C. 50
D. More than 50
Answer» E.
7.

Multiple_proteins_can_be_synthesized_from_an_mRNA_at_a_time.$

A. True
B. False
Answer» B. False
8.

Svedberg unit used to distinguish among the rRNAs and proteins by measuring it’s __________?#

A. moecular weight
B. mass
C. composition
D. sedimentation velocity
Answer» E.
9.

The large ribosomal subunit in prokaryotes has the sedimentation velocity of ___________

A. 30S
B. 40S
C. 50S
D. 60S
Answer» D. 60S
10.

Ribosome has two subunits with 4 rRNA molecules. Which of the four rRNAs is found in the decoding center of the ribosome?

A. 5S
B. 23S
C. 28S
D. 16S
Answer» E.
11.

Transcriptional coupling ensures fast rate f translation.

A. True
B. False
Answer» B. False
12.

Transcription and translation occurs in the same compartment in the cases of both prokaryotes and eukaryotes.

A. True
B. False
Answer» C.
13.

The ribosome is designed in such a way so as to keep up with the speed of the RNA polymerase.

A. True
B. False
Answer» B. False
14.

Which of the following is the slowest process among the following?

A. Replication
B. Translation
C. Splicing
D. Transcription
Answer» C. Splicing
15.

How many polypeptides are required for the structural assembly of ribosome?

A. 10
B. Less than 10
C. 50
D. More than 50
Answer» E.