Q. Which of the following acts as a carbon source for Enterobacter aerogenes?

View solution

Q. What will be the plate count of good quality water?

View solution

Q. Among the following which microorganism acts as a representative of fecal streptococci group?

View solution

Q. Thiobacillus can produce an acidity in the range of pH __________

View solution

Q. In which of the following organism does iron secreted to form stalks or ribbons attached to the cell?

View solution

Q. Which of the following sewerage systems carry domestic and industrial waste water?

View solution

Q. The more oxidizable organic material, the lesser the BOD.

View solution

Q. Which of the following is a strict anaerobe?

View solution

Q. In which of the following treatment involve oxidation of organic constituents of the wastewater?

View solution

Q. The upper region of the trickling filter is favorable for the growth of _____________

View solution

Q. Activated sludge usually employs an aeration period of ________________

View solution

Q. Oxidation ponds are very deep ponds.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. What is the pH of bananas?

View solution

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

View solution

Q. At what temperature pasteurization of milk takes place?

View solution

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

View solution