Q. Thermal death time is Time required to kill all cells at a given temperature Temperature that kills all cells in a given time Time and temperature needed to kill all cells All of the above Answer: Temperature that kills all cells in a given time
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Q. Peptone water medium is an example for Synthetic medium Semisynthetic medium Differential medium None of these Answer: Semisynthetic medium
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Q. Which of the following is a neutral stain? Picric acid Gmiemsa Neutral red Malachite green Answer: Neutral red
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Q. The medium used in membrane filtertechnique was EMB agar EMR-Vp medium Lactose broth Endo agar Answer: EMR-Vp medium
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Q. Which of the following are the routine diagnostic methods performed for the microbial examination of blood specimen collected from a patient with a high fever for more than 2 days? Direct microscopic examination Culture media Serodiagnosis Antibiotic susceptibility test All of the above Answer: All of the above
Q. Select all the major and clinically important spore-forming bacteria Bacillus anthracis Aspergillus flavus Lactobacillus acidophilus Clostridium perfringens Haemophilus influenzae Answer: Bacillus anthracis and Clostridium perfringens
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Q. All of the following statements are correct about the most common bacteriological media called sheep blood agar that is used in the microbiology laboratory, Except It consists of 5% of sheep blood Used for the culture of common fastidious bacteria It is used for the culture of hemolytic bacteria Used as a selective media
Q. Which of the following culture media is used for the routine laboratory isolation of Salmonella and Shigella spp? Xylose lysine deoxycholate agar Thiosulfate citrate bile salts agar Mannitol salt agar Bile esculin agar Answer: Xylose lysine deoxycholate agar
Q. Which of the following is the selective media used for the cultivation and isolation of Neisseria gonorrhoeae and N. meningitidis? Buffered charcoal- yeast extract agar Thayer martin agar Xylose lysine deoxycholate agar Bile esculin agar Answer: Thayer martin agar
