Top 1000+ Solved Microbiology MCQ Questions Answer
Q. Temperature required for pasteurizationis
a. Above 150oC
b. Below 100oC
c. 110oC
d. None of these
Q. Separation of a single bacterial colony iscalle
a. Isolation
b. Separation
c. Pure culturing
d. All of these
Q. Wh ich of the fo l low ing inducesdimerisation of thymine?
a. X-ray
b. U.V. rays
c. ã-rays
d. None of these
Q. When food material are preserved at a temperature just above freezing temperature, the process is called.
a. Freezing
b. Pasteurisation
c. Chilling
d. Frosting
Q. Wh ich of the fo l low ing method ofsterilization has no effect on spores?
a. Drying
b. Hot air oven
c. Autoclave
d. None of these
Q. Treponema pa l l idum can be bestindentified using
a. Fluorescence microscope
b. Bright field microscope
c. Dark field microscope
d. Flourescence microscope
Q. The bacterial culture prepared by pureculture method is
a. Inoculum
b. Suspension
c. Dilution
d. None of these
Q. L-Lysine is produced from
a. Corynebacterium glutamicum
b. Clostridium botulinum
c. Mycobacterium sps
d. Pseudomonas
Q. The orderly increase in the quantity of allof the cellular components is known as
a. Reproduction
b. Growth
c. Binary fission
d. None of these
Q. Slow freezing requires the conditions
a. 0oC to 15oC for 15 min.
b. – 6 oC to – 10oC for 10 min.
c. – 15oC to 3 to 72 hrs.
d. None of these
Q. Discontinuous heating is called
a. Pasteurization
b. Sterilization
c. Fermentation
d. Tindalisation