Questions and answers for exam Preparation

MCQs

Total Questions : 22 | Page 1 of 3 pages

Question 1. Statement 1: Acidic electrolyzed water is non-photochemical process which has a high oxidation capacity and proved as an essential biocide.
Statement 2: Chlorine Dioxide has been successfully used as a disinfectant in the food processing industry.

True, False
True, True
False, False
False, True

Discuss Question

Answer: Option C. -> False, False
Answer: (c).False, False

Question 2. Which of the following methods refers to deactivation of microbes in food using electricity?

Power Ultrasound
Pulsed Electric field
Hurdle technology
All of the mentioned

Discuss Question

Answer: Option B. -> Pulsed Electric field
Answer: (b).Pulsed Electric field

Question 3. Which of the following holds true for Pulsed Electric field?

It has been successful in pasteurizing milk, yogurt, soup etc
If there are no air bubbles present or the if food has low electrical conductivity, PEF is non-applicable
It’s a continuous process. It cannot be applied for non-pump able solid food products
All of the mentioned

Discuss Question

Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned

Question 4. Which of the following is true about Sound Ultrasound?

Generates mechanical energy to enhance chemical action on surfaces
Scrubbing action loosens the dirt particles and cleans the food particle
Generates mechanical energy to enhance chemical action on surfaces & Scrubbing action loosens the dirt particles and cleans the food particle
None of the mentioned

Discuss Question

Answer: Option C. -> Generates mechanical energy to enhance chemical action on surfaces & Scrubbing action loosens the dirt particles and cleans the food particle
Answer: (c).Generates mechanical energy to enhance chemical action on surfaces & Scrubbing action loosens the dirt particles and cleans the food particle

Question 5. Certain antioxidants (e.g. – Nisin) can be used with the organic acids to reduce certain micro flora.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 6. Which of the following statements is true?

Multi-target preservation helps to target many factors such as pH, temperature etc and hence helps fight all types of microbes
It is desired to reduce the antagonist effects
Sometimes hurdle technology has antagonist effects
All of the mentioned

Discuss Question

Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned

Question 7. Statement 1: Hurdle technology is a ‘multi-target preservation’.
Statement 2: The main target of food preservation is to help the harmful microorganisms to achieve homeostasis.

True, False
True, True
False, False
False, True

Discuss Question

Answer: Option A. -> True, False
Answer: (a).True, False

Question 8. Statement 1: Cost reduction trend of the food industry often leads manufacturers to forget the health aspect of the food, although health itself is another important trend of the food industry.
Statement 2: Food processing industries now-a-days is also looking into energy efficiency methods to process food. Hence it’s an upcoming trend.