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Q. Which of the following is the relationship between optical density and cell mass?
Explore Relevant Multiple Choice Questions (MCQs)
Q. How many cells present per millilitre in a bacterial culture can make the culture turbid?
Q. A dead cell does not contribute to turbidity in the culture medium.
Q. Which of the following is a direct measurement of growth?
Q. Which of the following method is used for enumeration of bacteria in vaccines and cultures?
Q. Colony-forming units per ml is the unit of _____________
Q. Isolation of pure culture refers to ___________
Q. Enrichment media allows the growth of a large number of varied bacterial species.
Q. Which of the following is not a physical method for selection of pure culture?
Q. In physical method of selection, endospore-forming bacteria can be obtained by heating the mixed culture to _____________
Q. Vibrio cholerae can grow in a medium with a pH of _______
Q. Disease-producing species occurring in a mixed culture can be selected by taking advantage of _________
Q. Treponema sp. can be selected by taking advantage of ____________
Q. A large cluster of colonies are obtained in streak plate method.
Q. Roll-tube technique is used to isolate ___________
Q. In pour-plate method,the medium should be maintained at what temperature?
Q. Which of the following method can be used to determine the number of bacteria quantitatively?
Q. Dilution of the mixed culture is a common step in all the three methods: the streak-plate,the spread-plate and the pour-plate technique.
Q. Which of the following are not performed in lyophilization?
Q. Which of the following is a function of cryoprotective agents?
Q. What is the temperature of liquid nitrogen?
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