(A) Staphylococcus aureus
(B) Streptococcus pyogenes
(C) Vibrio cholerae
(D) Proteus vulgaris
Tag: Microbiology Mcqs
First line of body defense is:
(A) Antibody molecules
(B) Antigen molecules
(C) Phagocytic cells
(D) Unbroken skin
Capnophiles bacteria grow at optimum in:
(A) Small percentage of CO2
(B) Excess CO2
(C) Excess of O2
(D) Absence of O2
Helicobacter pylori possesses __ that helps to neutralize stomach acid (HCl).
(A) Coagulase
(B) Urease
(C) Hyaluronidase
(D) Catalase
The enzyme __ unzips and unwinds the DNA.
(A) DNA polymerase
(B) Helicase
(C) Primase
(D) Reverse transcriptase
Which of the following has optimum growth temperature greater than 45oC?
(A) Mesophilic
(B) Psychrophiles
(C) Psychrophilic
(D) Thermophiles
Enzymes are chemically:
(A) Lipids
(B) Proteins
(C) Carbohydrates
(D) Lipoproteins
Basophils have receptors for __ antibodies.
(A) IgG
(B) IgE
(C) IgA
(D) IgD