1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Water Treatment Fermentation Food Production General Questions

2. What is the type of that looks drinkable but is not?

3. Contaminated water

4. Why is water treatment important?

5. Water is needed for everyday living

6. What does BOD stand for

7. Biological oxygen demand

8. What is drinkable water known as?

9. Potable

10. Why are rivers and other bodies of water known as Self water purification

11. Help to convert organic material into inorganic material

12. What is the goal of primary treatment

13. Removal of solid particle from water

14. What is the goal of secondary treatment?

15. Removal of pathogenic bacteria and viruses

16. What is the goal of tertiary treatment?

17. Removal of nitrates to prevent eutrotiphication, but is expensive and rarely preformed.

18. What is mineralization?

19. In nature aerobic microorganism convert organic material to inorganic material.

20. What is FLOC?

21. Is the puffy accumulations after alum is added

22. Fermentation occurs both desirable and undesirable.

23. True

24. What did the Sumerians ferment and when?

25. Cheese, 6000 BC

26. How much alcohol is in wine?

27. Up to 6%

28. What gas is produced when Yeast ferments grapes?

29. CO2

30. Why are hops added to beer?

31. Flavoring

32. What are some ways to prevent infection from microorganisms?

33. 1.Temperature 2. pH 3. Intrinsic Factors (Shells, coverings) 4. Water availability

34. What is soy sauce made from?

35. Fungi and bacteria

36. In cheese production there is a solid and a liquid. What is each called and used for?

37. Solid – curd – cottage cheese Liquid – whey - cheese

38. In food posioning, what does botulism produce?

39. Neurotoxin

40. What type of yeast is used to make beer?

41. Brewer’s yeast

42. What percent of acid is vineagr

43. 4%

44. How long does bottom fermentation take in beer production?

45. 8-14 days

46. In milk production what production is used to clump milk proteins together?

47. Renin

48. Why is chlorine added to the water supply?

49. To kill anything that might of made it through the treatments

50. What is ALUM stand for and why is it used in water treatments?

51. Alum is a combination of aluminum and sulfate, used to clump together smaller suspended particles (bacteria & viruses) to settle out.