(A) IgA
(B) IgE
(C) IgG
(D) IgM
Tag: Basic Microbiology Mcqs Questions
The extra chromosomal, self-replicating, closed, double stranded and circular DNA molecule is generally termed as:
(A) Chromosome
(B) Plasmid
(C) Genomic DNA
(D) Bacteriophage
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 TCR
(D) Interact with macrophages and secrete cytokines
Which of the following is a function of B 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
Which of following is a function of macrophages?
(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
Which of the following enzyme is responsible for the regulation of biological nitrogen fixation?
(A) Dinitrogenase reductase
(B) Dinitrogenase oxidase
(C) Phosphatase
(D) Kinase
Which of the following is a true statement?
(A) IgG is involved in primary immune response
(B) IgM is involved in primary immune response
(C) IgG is involved only in secondary immune response
(D) IgG and IgM both are involved in primary immune response
Which of the following is an IMINO ACID (Secondary amino acid)?
(A) Alanine
(B) Glycine
(C) Proline
(D) Serine