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Microbiology

MICROBIOLOGY OF WASTE WATER AND FOOD MCQs

Total Questions : 212

Page 1 of 22 pages
Question 1. Which of the following forms of water is the most contaminated?
  1.    Underground water
  2.    Rainwater
  3.    Surface water
  4.    Water stored in ice caps
 Discuss Question
Answer is Option C. -> Surface water
Answer: (c).Surface water
Question 2. Alum is used for which of the following purification process?
  1.    Sedimentation
  2.    Filtration
  3.    Disinfection
  4.    Ozonation
 Discuss Question
Answer is Option A. -> Sedimentation
Answer: (a).Sedimentation
Question 3. Which of the following organism does not belong to coliform group of bacteria?
  1.    Salmonella
  2.    Serratia
  3.    Enterobacter
  4.    Proteus
 Discuss Question
Answer is Option C. -> Enterobacter
Answer: (c).Enterobacter
Question 4. The potability of water can be checked by sanitary surveys.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer is Option B. -> False
Answer: (b).False
Question 5. The coliform group of bacteria includes all the __________________ bacilli
  1.    aerobic
  2.    anaerobic
  3.    aerobic,non-sporulating
  4.    aerobic,Gram-negative,non-sporulating
 Discuss Question
Answer is Option D. -> aerobic,Gram-negative,non-sporulating
Answer: (d).aerobic,Gram-negative,non-sporulating
Question 6. Shredded cabbage is the starting product for which of the following fermented food?
  1.    Sauerkraut
  2.    Pickles
  3.    Green olives
  4.    Sausage
 Discuss Question
Answer is Option A. -> Sauerkraut
Answer: (a).Sauerkraut
Question 7. The principal microorganism for yogurt is ______________________
  1.    Streptococcus thermophilus
  2.    Leuconostoc citrovorum
  3.    Lactobacillus acidophilus
  4.    Streptococcus lactis
 Discuss Question
Answer is Option A. -> Streptococcus thermophilus
Answer: (a).Streptococcus thermophilus
Question 8. Which of the following products have higher acidity and lacks aroma?
  1.    Cultured buttermilk
  2.    Cultured sour cream
  3.    Bulgarian milk
  4.    Acidophilus milk
 Discuss Question
Answer is Option C. -> Bulgarian milk
Answer: (c).Bulgarian milk
Question 9. Which of the following is not employed as an oxidation method?
  1.    Oxidation ponds
  2.    Trickling filters
  3.    Contact aerators
  4.    All of these
 Discuss Question
Answer is Option D. -> All of these
Answer: (d).All of these
Question 10. The concept of putting microbes to help clean up the environment is called
  1.    pasteurization
  2.    bioremediation
  3.    fermentation
  4.    biolistics
 Discuss Question
Answer is Option B. -> bioremediation
Answer: (b).bioremediation
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