Q. The most toxic exotoxin is

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Q. Which of the following species of Clostridium is predominantly sacchrolytic?

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Q. Stormy clot reaction is useful in identification of

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Q. Food poisoning strains of Clostridium perfringens belong to

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Q. Reddening of meat in cooked meat broth is produced by

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Q. Clostridium botulinum food poisoning is due to

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Q. Drumstick appearance is characteristic of

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Q. Blackening of meat in cooked meat broth is through

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Q. Typical drumstick appearance of bacilli is generally seen in

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Q. Which of the following(s) is/are obligate anaeorbes?

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Q. Lactobacilli grow best under

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Q. Which of the following genera is included in the family Bacteroi-daceae?

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Q. The bacteria which is predominant flora of the human gut is

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Q. The current genus name of a saccharolytic group of Bacteroides is

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Q. Colonies resembling molar teeth are produced by

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Q. Which of the following bacterial colonies fluoresce brick-red in UV light?

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Q. Which of the following bacteria is acid-fast?

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Q. Lactobacilli constitute the normal flora of

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Q. Which of the following bacteria is gram-negative cocci?

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Q. The commonest species of Bacteroides in fragilis group, which causes human infection, is

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