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MCQs

Total Questions : 151 | Page 2 of 16 pages
Question 11. Evaporation, desiccation and dehydration all mean the same thing.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 12. Statement 1: Dried foods from a dehydration unit have better quality than sun dried components.
Statement 2: The color of dehydrated food under optimum conditions is superior to that by sun drying.
  1.    True, False
  2.    True, True
  3.    False, False
  4.    False, True
 Discuss Question
Answer: Option A. -> True, False
Answer: (a).True, False
Question 13. Which of the following is NOT a method of controlling biological forces on food supply?
  1.    Packaging and chemical additives
  2.    Reducing free water content
  3.    Increasing osmotic pressure
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Packaging and chemical additives
Answer: (a).Packaging and chemical additives
Question 14. Statement 1: In cooking quality, sun dried foods are better than dehydrated foods.
Statement 2: Sun dried animal flesh and fish can be highly acceptable.
  1.    True, False
  2.    True, True
  3.    False, False
  4.    False, True
 Discuss Question
Answer: Option D. -> False, True
Answer: (d).False, True
Question 15. Which of the following is NOT an advantage of dehydration under controlled conditions over sun drying?
  1.    Cost
  2.    Time of drying
  3.    Quality of drying
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Cost
Answer: (a).Cost
Question 16. Decreasing enzyme content is not a cause but rather a consequence of inhibited growth.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 17. Which of the following is true about death time curve method to sterilize canned food?
  1.    It tells us the time and temperature to sterilize canned food
  2.    It tells us about the heat penetration of the container
  3.    It tells us about the heat conductivity of the container
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 18. Which of the following methods is possible to kill bacteria?
  1.    Keeping the time constant from previous calculations and maintaining a certain temperature
  2.    Bringing the temperature down to a certain value such that the bacteria die in 10 minutes
  3.    Keeping the temperature constant and keeping them at that temperature till the time they die
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 19. Death of bacterial spores permits computation of death points which is independent of all explanation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 20. Which of the following is true about lethal mutation?
  1.    It is brought about by destruction of a single molecule
  2.    It is brought about by inhibition of enzyme activity
  3.    Neither of the mentioned
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> It is brought about by destruction of a single molecule
Answer: (a).It is brought about by destruction of a single molecule

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