Explore topic-wise MCQs in Cell Biology.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Fragments of antigens are held at the surface of antigen presenting cells by _________________

A. histones
B. antibodies
C. major histocompatibility complex
D. epitope
Answer» D. epitope
Discussion
2.

Cyclosporin A is a drug that __________________

A. suppresses the immune system
B. increases body temperature
C. increases the production of antibodies
D. decreases body temperature
Answer» B. increases body temperature
Discussion
3.

Class-switching of antibodies can occur by changing the ___________________

A. heavy chain
B. light chain
C. pH
D. temperature
Answer» B. light chain
Discussion
4.

Which segment of chromosome 2 encodes for the V region of antibody?

A. A segment
B. C segment
C. V-segment
D. J-segment
Answer» E.
Discussion
5.

In which year was the two “gene – one polypeptide” hypothesis put forward?

A. 1945
B. 1955
C. 1965
D. 1975
Answer» D. 1975
Discussion
6.

Binding of which of the following antibody’s heavy chain initiates the lysis of bound bacterial cells?

A. IgM
B. IgD
C. IgA
D. IgE
Answer» B. IgD
Discussion
7.

The antigenic determinant is called _________________

A. epitope
B. epitome
C. microbiome
D. metagenome
Answer» B. epitome
Discussion
8.

Plasma cells are mainly found in the bone marrow.

A. True
B. False
Answer» B. False
Discussion
9.

Patients suffering from which of the following disease contain large quantities of a single type of antibodies?

A. glioblastoma
B. prostate cancer
C. breast cancer
D. multiple myeloma
Answer» E.
Discussion
10.

In all the immunoglobulins, there are _____ type(s) of light chains and ______ type(s) of heavy chain.

A. 2, 1
B. 2, 2
C. 1, 2
D. 1, 1
Answer» C. 1, 2
Discussion
11.

IgG is the predominant antibody in the secretion of respiratory tract.

A. True
B. False
Answer» C.
Discussion