Top 150+ Solved Medical Microbiology MCQ Questions Answer
Q. Candida albicans is capable to form
a. Single cell
b. Pseudomonas
c. Multicellular forms
d. None of these
Q. The drug of choice for dermal, oral andvaginal candidiasis is
a. Griseofulvin
b. Amphotericin B
c. Gentian violet
d. Nystatin
Q. The following Penicillium species arepathogenic except
a. P. commune
b. P. bicolor
c. P. glaucum
d. P.notatum
Q. Tinea versicolor is caused by
a. Candida albican
b. Malassezia furfur
c. Aspergillus niger
d. None of these
Q. Causative agent of Tinea nigra
a. Malassezia furfur
b. Exophiala werenekii
c. Candida albicans
d. Aspergillus flavus
Q. Causative agent of African histoplasmosis
a. Histoplasma capsulatum
b. Histoplasma duboissi
c. Aspergillus niger
d. Aspergillus flavus
Q. Sun ray fungus is
a. Actinomyces irraeli
b. Chromoblastomycosis
c. Streptomyces griseus
d. Cryptococcosis
Q. Which agent on addition to a colony inhibits its growth and on removal the colony regrows is?
a. Bacteriostatic
b. Bactericidal
c. Antibiotic
d. Antiseptic
Q. Griseofluvin is obtained from
a. Penicillium notatum
b. Streptomyces griseus
c. Penicillium griseofluvin
d. None of these
Q. All of the following drugs act on cellmembrane, except
a. Novobiocin
b. Nystatin
c. Chloromycetin
d. Colicins
Q. Cycloserine related to the amino acid instructure
a. Serine
b. Aspergine
c. Alanine
d. None of these
Q. In Tuberculosis therapy mainly usedantibiotic is
a. Penicillin
b. Streptomycin
c. Chloramphenol
d. Cycloserine
Q. The antibacterial action of penicillin is dueto its effect on
a. Cell membrane permeability
b. Cell wall synthesis
c. DNA synthesis
d. Protein synthesis