Wastewater Treatment Of Food Processing Industries(Environmental Biotechnology ) Questions and Answers

Question 1. Reactors that run without heating of wastewater, are usually used.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True

Question 2. Which of the following industries doesn’t use alcohol in their respective industries?
  1.    Sugar Industry
  2.    Vinegar production
  3.    Pharmaceutical
  4.    Cosmetic Industry
Explanation:-
Answer: Option A. -> Sugar Industry
Answer: (a).Sugar Industry

Question 3. Spirits are diluted alcohol.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True

Question 4. Sugar containing agricultural products produce alcohol with the help of ___________
  1.    spring source
  2.    distilleries
  3.    ocean
  4.    rivers
Explanation:-
Answer: Option B. -> distilleries
Answer: (b).distilleries

Question 5. _____________ is added to the spirits to enhance it.
  1.    flavor additives
  2.    acid
  3.    alcohol
  4.    water
Explanation:-
Answer: Option A. -> flavor additives
Answer: (a).flavor additives

Question 6. Which of the following biological method shouldn’t be used for BOD load reduction?
  1.    Oxidation ponds
  2.    Activated sludge system
  3.    Anaerobic biological method
  4.    Chemical precipitation
Explanation:-
Answer: Option D. -> Chemical precipitation
Answer: (d).Chemical precipitation

Question 7. Wastewater Stabilization Ponds are treated by natural occurring processes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True

Question 8. Which of the activated sludge system types is not used in slaughter house wastewater treatment?
  1.    Cascade
  2.    Single
  3.    Two stage
  4.    Parallel
Explanation:-
Answer: Option D. -> Parallel
Answer: (d).Parallel

Question 9. The treatment of wastewater by the interaction of sunlight, bacteria, and algae using large, shallow ponds are called as ______
  1.    Oxidation ponds
  2.    Deoxygenation pond
  3.    Anaerobic ponds
  4.    Algal pond
Explanation:-
Answer: Option A. -> Oxidation ponds
Answer: (a).Oxidation ponds

Question 10. Which of the following uses long solids retention times to remove biodegradable organic wastes?
  1.    Oxidation ditch
  2.    Pond sludge
  3.    Activated sludge system
  4.    Maturation pond
Explanation:-
Answer: Option A. -> Oxidation ditch
Answer: (a).Oxidation ditch