Q. Oxidation ponds are very deep ponds.

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Q. Trickling filter is used in which of the following wastewater treatment processes?

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Q. Belt filter presses are used in which of the following process?

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Q. Which of the following gases are produced in large amounts during sludge digestion?

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Q. Which of the following organism occurs on the skin of fresh poultry?

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Q. What is the pH of bananas?

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Q. Raw milk of good sanitary quality will develop sweet flavour.

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Q. At what temperature pasteurization of milk takes place?

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Q. Which among the following is a gas producer organism?

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Q. Which among the following group of microorganisms are found in the ducts of cow’s mammary glands?

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Q. The coloration of the milk is caused by which of the following organism?

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Q. In which of the following biochemical types of microorganisms a slime layer or capsule is formed on the cells?

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Q. Tuberculosis brucellosis is caused by the pathogen from an infected cow.

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Q. Which of the following type of spoilage occurs in fresh meat?

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Q. Spoilage of bread is caused by which of the following microorganism(s)?

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Q. The thermophilic anaerobe spoilage of low and medium acid canned products are caused by _____________

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Q. The temperatures used for canning foods ranges from ____________________

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Q. In the high-temperature short-time (HTST) method of pasteurization, milk is exposed to a temperature of _________

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Q. Sterilization occurs at high temperatures for long periods of time.

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Q. Which of the following microorganism survive at -9 to -17 degree C?

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