Which of the following bacteria can grow in acidic pH?
Q. Which of the following bacteria can grow in acidic pH? Vibrio cholerae Lactobacilli Shigella Salmonella Answer: Lactobacilli
Which of the following bacteria can grow in acidic pH? Read More »
Culture Media MCQs
Treponema sp. can be selected by taking advantage of
Q. Treponema sp. can be selected by taking advantage of ____________ small cell size motility dilute media small cell diameter and bacterial motility Answer: small cell diameter and bacterial motility
Treponema sp. can be selected by taking advantage of Read More »
Disease-producing species occurring in a mixed culture can be selected by taking advantage of
Q. Disease-producing species occurring in a mixed culture can be selected by taking advantage of _________ its pathogenic properties special carbon source special nitrogen source toxic chemicals Answer: its pathogenic properties
Vibrio cholerae can grow in a medium with a pH of
Q. Vibrio cholerae can grow in a medium with a pH of _______ 5.5 7.0 8.5 2.0 Answer: 8.5
Vibrio cholerae can grow in a medium with a pH of Read More »
In physical method of selection, endospore-forming bacteria can be obtained by heating the mixed culture to
Q. In physical method of selection, endospore-forming bacteria can be obtained by heating the mixed culture to _____________ 70 degree C for 10 minutes 80 degree C for 10 minutes 60 degree C for 10 minutes 90 degree C for 10 minutes Answer: 80 degree C for 10 minutes
Which of the following is not a physical method for selection of pure culture?
Q. Which of the following is not a physical method for selection of pure culture? Heat treatment pH of the media Cell size and motility Use of dilute media Answer: Use of dilute media
Which of the following is not a physical method for selection of pure culture? Read More »
Enrichment media allows the growth of a large number of varied bacterial species
Q. Enrichment media allows the growth of a large number of varied bacterial species. True False Answer: False
Enrichment media allows the growth of a large number of varied bacterial species Read More »
Isolation of pure culture refers to ___________
Q. Isolation of pure culture refers to ___________ purification of culture introduction of inoculum separation of a single colony to grow microorganisms on a surface Answer: separation of a single colony
An outbreak of sepsis caused by Staphylococcus aureus has occurred in the newborn nursery. You are called upon to investigate. According to your knowledge of the normal flora, what is the most likely source of the organism?
Q. An outbreak of sepsis caused by Staphylococcus aureus has occurred in the newborn nursery. You are called upon to investigate. According to your knowledge of the normal flora, what is the most likely source of the organism? Throat Colon Nose none of the above Answer: Nose
Roll-tube technique is used to isolate
Q. Roll-tube technique is used to isolate ___________ Stringent Anaerobes Facultatives Aerobes None Of These Answer: Stringent Anaerobes