Explore topic-wise MCQs in Biochemistry.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

The primary antibody of exocrine secretions is ____________

A. IgA
B. IgE
C. IgG
D. IgM
Answer» B. IgE
Discussion
2.

IgG consists of ____________

A. A light chain and two heavy chains joined by a disulfide bond
B. Two light chains and a heavy chain joined by a disulfide bond
C. Two light chains and two heavy chains joined by a disulfide bond
D. Two light chains and two heavy chains joined by hydrogen bond
Answer» D. Two light chains and two heavy chains joined by hydrogen bond
Discussion
3.

Where do T-lymphocytes develop into fully competent but not activated T-cells?

A. The thymus gland
B. The lymph nodes
C. The thyroid gland
D. The bone marrow
Answer» B. The lymph nodes
Discussion
4.

The antibody present in secretions like tears and saliva is ____________

A. IgA
B. IgE
C. IgG
D. IgM
Answer» B. IgE
Discussion
5.

The most abundant immunoglobulin is ____________

A. IgA
B. IgE
C. IgG
D. IgM
Answer» D. IgM
Discussion
6.

Which of the following is a function of T lymphocytes?

A. Ingest large particles and cells by phagocytes
B. Produce and secrete antibodies
C. Interact with infected host cells through receptors on T-cell surface
D. Interact with macrophages and secrete cytokines
Answer» D. Interact with macrophages and secrete cytokines
Discussion
7.

Which of the following is not the function of helper T cells is ____________

A. Produce soluble signaling proteins called cytokines, which include the interleukins
B. They help activate cytotoxic T cells to kill infected target cells
C. They help activate B cells to secrete antibodies and macrophages to destroy ingested microbes
D. They recognize and bind extracellular ligands
Answer» E.
Discussion