Explore topic-wise MCQs in Biochemistry.

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

1.

Cellular DNA is uncondensed throughout ____________

A. Prophase
B. Interphase
C. Telophase
D. Anaphase
Answer» C. Telophase
2.

The sister chromatids separate at ____________

A. Prophase
B. Metaphase
C. Telophase
D. Anaphase
Answer» E.
3.

Chromatin is composed of ____________

A. DNA
B. DNA and proteins
C. DNA, RNA and proteins
D. None
Answer» D. None
4.

The DNA threads which appear inside the nucleus at the time of cell division?

A. Spindle fibers
B. Centrioles
C. Asters
D. Chromosomes
Answer» E.
5.

CELLULAR_DNA_IS_UNCONDENSED_THROUGHOUT?$

A. Prophase
B. Interphase
C. Telophase
D. Anaphase
Answer» C. Telophase
6.

The sister chromatids separate a?

A. Prophase
B. Metaphase
C. Telophase
D. Anaphase
Answer» E.
7.

Which of the following histones shows more sequence similarity among eukaryotic species?

A. H1
B. H2A
C. H2B
D. H3
Answer» E.
8.

Which of the following has beads on a string structure?

A. Chromosomes
B. Chromatin
C. Nucleosomes
D. Heterochromatin
Answer» D. Heterochromatin
9.

Which of the following histones bind to linker DNA?

A. H1
B. H2A
C. H2B
D. H3
Answer» B. H2A
10.

Chromatin is composed of

A. DNA
B. DNA and proteins
C. DNA, RNA and proteins
D. None
Answer» D. None
11.

Which of the following are essential to the condensation of chromosomes as cells enter mitosis?

A. Cohesins
B. Condensins
C. Histones
D. Topoisomerases
Answer» C. Histones
12.

Which of the following plays a substantial role in linking together sister chromatids immediately after replication?

A. Cohesins
B. Condensins
C. Histones
D. Topoisomerases
Answer» B. Condensins
13.

Which of the following is not a major class of chromatin proteins?

A. Histones
B. Topoisomerases
C. SMC proteins
D. Cohesins
Answer» E.
14.

The DNA threads which appear inside the nucleus at the time of cell division

A. Spindle fibers
B. Centrioles
C. Asters
D. Chromosomes
Answer» E.