Top 1000+ Solved Microbiology MCQ Questions Answer
Q. By pasteurization
a. All the microorganisms can be removed
b. Only pathogenic forms can be removed
c. Only non-pathogenic forms can be removed
d. All of these are correct
Q. The temperature required for pasteurization is
a. Above 100oC
b. Below 100oC
c. 100oC
d. None of these
Q. In the medium other than nutrients, if any substance is used in excess, that medium is
a. Enriched medium
b. Special medium
c. Enrichment medium
d. None of these
Q. Example for indicator medium is
a. Nutrient Agar
b. Nutrient broth
c. Wilson and Blair
d. Czapeck-dox medium
Q. Example of Anaerobic medium is
a. Robertson cooked-meat medium
b. Nutrient agar
c. Nutrient broth
d. Mac-Conkey’s agar
Q. The differentiate lactose and non-lactosefermentors, the medium used is
a. Wilson & lair
b. Blood Agar
c. Tetra thionate broth
d. Mac-Conkey’s Agar
Q. Best method for getting pure culture is
a. Streak-plate
b. Agar slant
c. Both a & b
d. None of these
Q. To transfer cultures from one place toanother, the device used is
a. Slant
b. Needle
c. Inoculation loop
d. Autoclave
Q. The bacterial culture prepared by pureculture is
a. Inoculum
b. Suspension
c. Dilution
d. None of these
Q. At the temperature 160oC for one hour,complete sterilization occurs in
a. Autoclave
b. Hot air oven
c. Laminar flow
d. Incubator
Q. In autoclave, the principle involved is
a. Dry heat
b. Moist heat
c. Steam under pressur
d. Both b and c