Which of the following is a rich source of B vitamins?
Q. Which of the following is a rich source of B vitamins? Yeast extract Beef extract Peptone Agar Answer: Yeast extract
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Culture Media MCQs
Which of the following is a characteristic of beef extract?
Q. Which of the following is a characteristic of beef extract? aqueous extract of lean beef tissue aqueous extract of yeast cells complex carbohydrate obtained from certain marine algae product resulting from the digestion of proteinaceous materials Answer: aqueous extract of lean beef tissue
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What is the temperature of liquid nitrogen?
Q. What is the temperature of liquid nitrogen? 196 degree C 150 degree C 0 degree C None Of The Above Answer: -196 degree C
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Which of the following are not performed in lyophilization?
Q. Which of the following are not performed in lyophilization? bacterial sample is dehydrated cell suspension is frozen at -60 degree to -78 degree C vials are connected to high-vacuum line agar slant is covered with mineral oil Answer: agar slant is covered with mineral oil
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Which of the following method can be used to determine the number of bacteria quantitatively?
Q. Which of the following method can be used to determine the number of bacteria quantitatively? Pour-plate and spread plate Streak-plate Spread-plate Pour plate Answer: Pour-plate and spread plate
In pour-plate method,the medium should be maintained at what temperature?
Q. In pour-plate method,the medium should be maintained at what temperature? 67 degree C 37 degree C 0 degree C 45 degree C Answer: 45 degree C
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Which of the following disease is best diagnosed by serologic means?
Q. Which of the following disease is best diagnosed by serologic means? Q Fever Actinomycosis Pulmonary tuberculosis Gonorrhea Answer: Q Fever
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Each of the following agents is a recognized cause of diarrhea except
Q. Each of the following agents is a recognized cause of diarrhea except Enterococcus faecalis Escherichia coli Clostridium perfringens Vibrio cholerae Answer: Enterococcus faecalis
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A 30 year old woman has non-bloody diarrhea for the past 14 hours. Which one of the to following organisms is least likely to cause this illness?
Q. A 30 year old woman has non-bloody diarrhea for the past 14 hours. Which one of the to following organisms is least likely to cause this illness? Salmonella enteritidis Clostridium difficile Streptococcus pyogens none of the above Answer: Streptococcus pyogens
Each of the following organisms is an important cause of urinary tract infections except
Q. Each of the following organisms is an important cause of urinary tract infections except: Bacteriodes fragilis Klebsiella pneumoniae Proteus mirabilis None Of These Answer: Bacteriodes fragilis
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