(A) Staphylococcus aureus
(B) E. coli
(C) Streptococcus agalactiae
(D) Haemophilus
Tag: Basic Microbiology Mcqs Questions
Salt and sugar preserve food because they:
(A) Make them acid
(B) Produce a hypotonic environment
(C) Produce a hypertonic environment
(D) Deplete nutrients
__ does not have any normal microbiota.
(A) Upper respiratory tract
(B) Ovary
(C) External genitalia
(D) Skin
Point mutation involves:
(A) Deletion
(B) Insertion
(C) Duplication
(D) Change in single base pair
__ is ‘general feeling of illness and discomfort’.
(A) Cystitis
(B) Malaise
(C) Arthritis
(D) Lymphopenia
What is the smallest unit of heredity?
(A) Chromosome
(B) Gene
(C) Codon
(D) Nucleotide
Which of following features is NOT true for plasmid?
(A) It is a circular piece of DNA.
(B) It is required for normal cell function.
(C) It is found in bacteria.
(D) It can be transferred from cell to cell.
To influence microbes, mutation must be:
(A) Inheritable
(B) Permanent
(C) Beneficial
(D) Both ‘A’ & ‘B’