1. What is the main nutritional use of single-cell protein (SCP)?
A.
It is used as a protein-rich food or feed supplement
B.
It is used only as a plant hormone
C.
It is used only to produce antibiotics
D.
It is used only as a soil disinfectant
Correct Answer:
It is used as a protein-rich food or feed supplement
Explanation:
SCP is used nutritionally as a rich source of protein for humans or animals.
2. Single-cell protein can be added to the diet mainly to help overcome a deficiency of which nutrient?
A.
Protein
B.
Water
C.
Oxygen
D.
Chlorophyll
Correct Answer:
Protein
Explanation:
The major nutritional application of SCP is to supplement diets with protein.
3. Which group can benefit from the use of SCP as an animal-feed supplement?
A.
Livestock and poultry
B.
Only flowering plants
C.
Only insects in soil
D.
Only aquatic weeds
Correct Answer:
Livestock and poultry
Explanation:
SCP can be incorporated into feed for animals such as livestock and poultry to improve protein nutrition.
4. Why is SCP considered useful in human nutrition?
A.
It can provide concentrated dietary protein
B.
It completely replaces drinking water
C.
It prevents all infectious diseases
D.
It supplies sunlight to the body
Correct Answer:
It can provide concentrated dietary protein
Explanation:
SCP is nutritionally useful because it supplies a concentrated source of protein in the diet.
5. Which of the following is a nutritional application of SCP?
A.
Using it as a protein supplement in animal feed
B.
Using it to make electrical wires
C.
Using it as a building material
D.
Using it to purify metals
Correct Answer:
Using it as a protein supplement in animal feed
Explanation:
Adding SCP to animal feed is a direct nutritional application because it improves the protein content of the feed.
6. SCP is especially valuable as a food supplement because microorganisms can produce it in:
A.
Large amounts in a short time
B.
Only one season every year
C.
The absence of any nutrients
D.
Only completely dry deserts
Correct Answer:
Large amounts in a short time
Explanation:
Rapid microbial growth allows SCP to be produced quickly and used as a protein supplement.
7. Which nutritional product may be prepared using SCP?
A.
Protein-enriched food
B.
Petroleum fuel
C.
Glass cleaner
D.
Synthetic rubber
Correct Answer:
Protein-enriched food
Explanation:
SCP may be used to enrich foods with protein, making it a useful nutritional product.
8. The use of SCP in animal feed primarily helps to increase the feed's:
A.
Protein content
B.
Metal content
C.
Radioactivity
D.
Water hardness
Correct Answer:
Protein content
Explanation:
SCP is added to animal feed mainly to raise its protein content and improve its nutritional value.
9. Which statement best describes the nutritional role of SCP?
A.
It supplements protein in human and animal diets
B.
It acts as a substitute for all essential nutrients
C.
It is used only to remove excess salt from food
D.
It serves only as a coloring agent
Correct Answer:
It supplements protein in human and animal diets
Explanation:
The main nutritional role of SCP is to supplement dietary protein for humans and animals.
10. Why can SCP help in meeting the protein needs of a growing population?
A.
It can be produced rapidly on a large scale
B.
It is obtained only from rare animals
C.
It requires many years to mature
D.
It contains no usable nutrients
Correct Answer:
It can be produced rapidly on a large scale
Explanation:
Rapid and large-scale production makes SCP a potential source for supplementing protein in human and animal nutrition.
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