Microbe is bright and the field is dark in
A. dark-field microscopy
B. phase contrast microscopy
C. bright field microscopy
D. electron microscopy
The principle behind the sterilization using autoclave is
A. high pressure
B. bhigh steam
C. hot vapors
D. steam under pressure
In nitrogen fixation, nitrogen from the atmosphere is combined with
A. oxygen atoms
B. hydrogen atoms
C. carbon atoms
D. calcium atoms
The iodine-organic carrier complex iodophore is
A. ethylene oxide
B. methane
C. chloroform
D. ozone
The first virus to be crystallized was
A. rabies
B. pox virus
C. tobacco mosaic virus
D. polio virus
fungi shows sexual reproduction
A. aPathogenic
B. Reproductive
C. Perfect
D. Saprophytic.
Lyophilization is a method of
A. characterization of microorganisms
B. destroying microorganisms
C. preservation of microorganisms
D. regulating microorganisms
The widely used fumigant is
A. ethylene
B. chlorine
C. formaldehyde
D. CO2
Contagious disease spreads by
A. inhalation
B. ingestion
C. inculation
D. contact
Energy production in anaerobes is not by
A. TCA cycle
B. EMP pathway
C. fermentation
D. pentose phosphate shunt