Q. Bacterial spoilage is identified by which of the following morphological characteristics?

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Q. Bacteria are

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Q. Gram-negative bacteria, responsible for food poisoning, is/are

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Q. Coliform bacteria on fermentation of carbohydrates yields

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Q. Gram-negative bacterium is/are

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Q. Thermus thermopiles is a

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Q. Which of the following is a gram-positive bacteria?

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Q. The bacteria involved in the production of dental caries is/are

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Q. Which of the following test indicates the susceptibility to streptococcal pyrogenic exotoxin?

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Q. Which of the following condition is non-suppurative sequelae of Streptococcus pyogenes infections?

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Q. Which of the following cross-reacts with cell wall carbohydrate of Streptococcus pyogenes?

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Q. Streptococcus pyogenes can be differentiated from other haemolytic Streptococci on the basis of

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Q. Streptolysin O is

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Q. Cell wall protein of Streptococcus pyogenes crossreacts with human

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Q. Individuals suffering from primary atypical pneumonia have agglutinins to

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Q. Which of the following test(s) may establish retrospective diagnosis of streptococcal infection?

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Q. The bacterial sore throat is caused by

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Q. Crystal violet blood agar is a selective medium for

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Q. Which of the following types of Clostridium perfringens produces alpha toxin most abundantly?

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Q. Which of the following is predominantly proteolytic?

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