Food Engineering Questions and Answers – Fats, Trans-fats, Proteins, Amino acids, Vitamins, Minerals- 2

This set of Food Engineering Questions & Answers for freshers focuses on “Fats, Trans-fats, Proteins, Amino acids, Vitamins, Minerals- 2”.

1. Tina eats a few legumes and walnuts and on some days she has egg with grains and nuts as breakfast. The first set are plant sources and the second a mixture of plant and animal sources. Are both the sets high quality proteins? Does this sentence stand true or False?
a) True
b) False
View Answer

Answer: a
Explanation: Either a large quantity of plant sources or a small portion of animal sources with large quantities of plant sources serve as high quality proteins. Hence both the diets are healthy.

2. Which of the following sentences is untrue with respect to proteins?
a) Lysine is an essential amino acid.
b) The requirement of essential amino acids per kg of protein is called ‘reference pattern of amino acids’
c) Limiting amino acid content is the amino acid found in maximum quantity in the protein
d) There are 20 amino acids in the protein we require everyday
View Answer

Answer: c
Explanation: Limiting amino acid content is the amino acid found in the least quantity in the protein.

3. Which of the following terms refers to the amount of protein absorbed by the body from a food source?
a) Biological Value
b) Limiting Value
c) Reference pattern
d) None of the mentioned
View Answer

Answer: a
Explanation: Biological Value (BV) refers to the amount of protein absorbed by the body from a food source.
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4. Which of the following is untrue?
a) Biological Value of plant sources is more than animal sources
b) BV value of egg white is 100 that means almost the entire amount of nitrogen in egg white can be absorbed and used by the body
c) Food energy is the amount of energy available from food through respiration
d) Fats have the maximum amount of food energy
View Answer

Answer: a
Explanation: Biological Value of animal sources is more than plant sources.

5. Mina’s understanding of proteins in various food items is as given. Which of the following is untrue?
a) The difference in the taste and texture in milk curd and chicken muscle is due to the arrangement of amino acids in the long chains of theirs to form proteins
b) Protein chains are perpendicular in a chicken breast
c) Proteins are changed physically from precipitate to gel and solution or vice-versa
d) Egg-white is an example of gel to precipitate
View Answer

Answer: b
Explanation: Protein chains are parallel in a chicken breast.
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6. Mina notices various changes in proteins when they’re subjected to chemical physical change. Which of the following was wrongly understood by her?
a) When egg-white is heated it is irreversibly denatured that is its spatial and molecular arrangement changes
b) When milk is coagulated by acid and heat, protein precipitates which is curd
c) When meat is cooked, protein chains shrink and hence it shrinks
d) Mina perfectly understood all the concepts
View Answer

Answer: d
Explanation: All the mentioned changes are correct.

7. Which of the following is incorrect?
a) Controlled cheese ripening is controlling some protein break down
b) Proteins form films
c) Egg white cannot be whipped
d) If proteins are over-whipped, the film breaks, foam collapses
View Answer

Answer: c
Explanation: Proteins form films hence egg white can be whipped.
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8. Which of the following is untrue?
a) Vitamins are inorganic elements whereas minerals are organic elements
b) Fats soluble vitamins have more tendency to lead to hypervitaminosis
c) Fat soluble vitamins are absorbed by lipids in the intestinal tract
d) B and C are water soluble vitamins
View Answer

Answer: a
Explanation: Vitamins are organic elements whereas minerals are inorganic elements.

9. Which of the following is untrue?
a) Gut flora produces Vitamin K and Biotin in the intestine
b) Vitamin D is synthesized in the skin
c) Humans can produce some vitamins from precursors that they consume
d) None of the mentioned
View Answer

Answer: d
Explanation: All of the above sentences are correct.
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10. Which of the following is untrue?
a) Primary deficiency occurs when any vitamin is not consumed in the minimum required amount
b) Secondary deficiency occurs when proper absorption of the vitamins doesn’t take place
c) Overdosing from vitamin supplementation is possible
d) None of the mentioned
View Answer

Answer: d
Explanation: All of the above sentences are correct.

Sanfoundry Global Education & Learning Series – Food Engineering.

To practice all areas of Food Engineering for freshers, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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