Explore topic-wise MCQs in Molecular Biology.

This section includes 11 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.

Silencing of transposons cannot be achieved by which of the following mechanisms?

A. RNAi
B. DNA methylation
C. DNA phosphorylation
D. Chromatin remodeling
Answer» D. Chromatin remodeling
Discussion
2.

The transposons are more abundant than retrotransposons in higher eukaryotes.

A. True
B. False
Answer» C.
Discussion
3.

SILENCING_OF_TRANSPOSONS_CANNOT_BE_ACHIEVED_BY_WHICH_OF_THE_FOLLOWING_MECHANISMS??$

A. RNAi
B. DNA methylation
C. DNA phosphorylation
D. Chromatin remodeling
Answer» D. Chromatin remodeling
Discussion
4.

The transposons are more abundant than retrotransposons in higher eukaryotes?

A. True
B. False
Answer» C.
Discussion
5.

Transposons are able to move by ___________ mechanism(s).

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
6.

Transposons were first discovered in ___________

A. Rice
B. Bacteria
C. Mice
D. Maize
Answer» E.
Discussion
7.

The type of mutation that is imposed by transposons is ___________

A. Silent mutation
B. Reverse mutation
C. Polar mutation
D. Frame shift mutation
Answer» D. Frame shift mutation
Discussion
8.

On the mechanism of the movement of transposable elements they are of ___________ types.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
9.

Junk DNA are also a type of transposable element that can jump from one location to another within the genome.

A. True
B. False
Answer» C.
Discussion
10.

Transposable elements are often found once in a gene and have a unique sequence for its own.

A. True
B. False
Answer» C.
Discussion
11.

Pick the odd one out.

A. Introns
B. Cassettes
C. Jumping genes
D. Insertion sequences
Answer» B. Cassettes
Discussion