Q. What is the main role of dietary fiber in human health? (2021)
-
A.
Increase cholesterol
-
B.
Aid digestion
-
C.
Provide energy
-
D.
Enhance taste
Solution
Dietary fiber aids digestion by promoting regular bowel movements and preventing constipation.
Correct Answer: B — Aid digestion
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Q. What is the main source of omega-3 fatty acids? (2021)
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A.
Fish oil
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B.
Butter
-
C.
Coconut oil
-
D.
Olive oil
Solution
Fish oil is a rich source of omega-3 fatty acids, which are important for heart health and brain function.
Correct Answer: A — Fish oil
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Q. What is the primary active ingredient in aspirin? (2019)
-
A.
Acetylsalicylic acid
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B.
Salicylic acid
-
C.
Acetic acid
-
D.
Benzoic acid
Solution
Aspirin is chemically known as acetylsalicylic acid, which is used for pain relief and anti-inflammatory purposes.
Correct Answer: A — Acetylsalicylic acid
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Q. What is the primary benefit of probiotics? (2023)
-
A.
Increase weight
-
B.
Improve gut health
-
C.
Enhance vision
-
D.
Boost hair growth
Solution
Probiotics are beneficial bacteria that improve gut health and aid in digestion.
Correct Answer: B — Improve gut health
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Q. What is the primary function of antibiotics? (2020)
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A.
Pain relief
-
B.
Bacterial infection treatment
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C.
Viral infection treatment
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D.
Fungal infection treatment
Solution
Antibiotics are primarily used to treat bacterial infections by inhibiting the growth of bacteria.
Correct Answer: B — Bacterial infection treatment
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Q. What is the primary function of antioxidants in food? (2022)
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A.
Enhance flavor
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B.
Preserve color
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C.
Prevent oxidation
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D.
Increase sweetness
Solution
Antioxidants prevent oxidation, which can lead to spoilage and degradation of food quality.
Correct Answer: C — Prevent oxidation
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Q. What is the primary function of antioxidants in the body? (2020)
-
A.
Increase energy
-
B.
Prevent oxidation
-
C.
Enhance digestion
-
D.
Boost immunity
Solution
Antioxidants prevent oxidation by neutralizing free radicals, thus protecting cells from damage.
Correct Answer: B — Prevent oxidation
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Q. What is the primary function of antioxidants in the human body? (2020)
-
A.
Increase energy
-
B.
Prevent oxidation
-
C.
Enhance digestion
-
D.
Boost immunity
Solution
Antioxidants prevent oxidation, which can lead to cellular damage and contribute to various diseases.
Correct Answer: B — Prevent oxidation
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Q. What is the primary function of cholesterol in the body? (2023)
-
A.
Energy storage
-
B.
Hormone production
-
C.
Protein synthesis
-
D.
Carbohydrate metabolism
Solution
Cholesterol is essential for the production of hormones, including steroid hormones and vitamin D.
Correct Answer: B — Hormone production
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Q. What is the primary use of glycerol in the food industry? (2023)
-
A.
Sweetener
-
B.
Preservative
-
C.
Thickening agent
-
D.
Flavor enhancer
Solution
Glycerol is commonly used as a sweetener in food products due to its sweet taste and ability to retain moisture.
Correct Answer: A — Sweetener
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Q. What is the role of dietary fiber in human health? (2021)
-
A.
Increase cholesterol
-
B.
Aid digestion
-
C.
Provide energy
-
D.
Enhance taste
Solution
Dietary fiber aids digestion by promoting regular bowel movements and preventing constipation.
Correct Answer: B — Aid digestion
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Q. What is the role of enzymes in the human body? (2021)
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A.
Store energy
-
B.
Speed up chemical reactions
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C.
Transport oxygen
-
D.
Regulate temperature
Solution
Enzymes act as catalysts that speed up chemical reactions in the body, facilitating various metabolic processes.
Correct Answer: B — Speed up chemical reactions
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Q. What is the role of preservatives in food? (2020)
-
A.
Enhance flavor
-
B.
Increase shelf life
-
C.
Add color
-
D.
Improve texture
Solution
Preservatives are added to food to prevent spoilage and increase shelf life by inhibiting the growth of microorganisms.
Correct Answer: B — Increase shelf life
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Q. Which compound is primarily responsible for the sour taste of vinegar? (2019)
-
A.
Acetic acid
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B.
Citric acid
-
C.
Lactic acid
-
D.
Formic acid
Solution
Acetic acid is the main component of vinegar, giving it its characteristic sour taste.
Correct Answer: A — Acetic acid
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Q. Which of the following compounds is known for its antibacterial properties? (2023)
-
A.
Chlorhexidine
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B.
Sodium chloride
-
C.
Glucose
-
D.
Fructose
Solution
Chlorhexidine is an antiseptic that is effective against a wide range of bacteria and is commonly used in medical settings.
Correct Answer: A — Chlorhexidine
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Q. Which of the following compounds is used as an analgesic? (2019)
-
A.
Aspirin
-
B.
Caffeine
-
C.
Ibuprofen
-
D.
Both 1 and 3
Solution
Both Aspirin and Ibuprofen are commonly used analgesics that help relieve pain.
Correct Answer: D — Both 1 and 3
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Q. Which of the following compounds is used as an antiseptic? (2020)
-
A.
Ethanol
-
B.
Acetic acid
-
C.
Benzyl alcohol
-
D.
Chloroform
Solution
Ethanol is commonly used as an antiseptic due to its ability to kill bacteria and viruses.
Correct Answer: A — Ethanol
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Q. Which of the following compounds is used as an artificial sweetener? (2020)
-
A.
Fructose
-
B.
Glucose
-
C.
Aspartame
-
D.
Sucrose
Solution
Aspartame is a widely used artificial sweetener that is approximately 200 times sweeter than sucrose.
Correct Answer: C — Aspartame
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Q. Which of the following compounds is used in the production of soap? (2022)
-
A.
Glycerol
-
B.
Sodium hydroxide
-
C.
Ethanol
-
D.
Acetic acid
Solution
Sodium hydroxide is used in the saponification process to produce soap from fats and oils.
Correct Answer: B — Sodium hydroxide
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Q. Which of the following compounds is used in the treatment of diabetes? (2022)
-
A.
Metformin
-
B.
Ibuprofen
-
C.
Aspirin
-
D.
Paracetamol
Solution
Metformin is a medication commonly prescribed for the management of type 2 diabetes.
Correct Answer: A — Metformin
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Q. Which of the following is a characteristic of essential amino acids? (2019)
-
A.
Can be synthesized by the body
-
B.
Must be obtained from diet
-
C.
Are not required for protein synthesis
-
D.
Are only found in animal products
Solution
Essential amino acids cannot be synthesized by the body and must be obtained through the diet.
Correct Answer: B — Must be obtained from diet
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Q. Which of the following is a characteristic of essential oils? (2019)
-
A.
Water-soluble
-
B.
Volatile
-
C.
Non-toxic
-
D.
All of the above
Solution
Essential oils are volatile compounds that are often used for their aromatic properties and therapeutic benefits.
Correct Answer: B — Volatile
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Q. Which of the following is a common analgesic? (2021)
-
A.
Ibuprofen
-
B.
Aspirin
-
C.
Paracetamol
-
D.
All of the above
Solution
All of the options listed (Ibuprofen, Aspirin, and Paracetamol) are common analgesics used to relieve pain.
Correct Answer: D — All of the above
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Q. Which of the following is a common artificial flavoring agent? (2023)
-
A.
Vanillin
-
B.
Caffeine
-
C.
Citric acid
-
D.
Tartaric acid
Solution
Vanillin is a common artificial flavoring agent that mimics the flavor of vanilla.
Correct Answer: A — Vanillin
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Q. Which of the following is a common emulsifier used in food products? (2022)
-
A.
Lecithin
-
B.
Sorbitol
-
C.
Glycerol
-
D.
Glucose
Solution
Lecithin is a common emulsifier that helps to mix oil and water in food products.
Correct Answer: A — Lecithin
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Q. Which of the following is a common ingredient in anti-aging creams? (2021)
-
A.
Retinol
-
B.
Glycolic acid
-
C.
Salicylic acid
-
D.
Both Retinol and Glycolic acid
Solution
Both Retinol and Glycolic acid are commonly used in anti-aging creams for their skin rejuvenating properties.
Correct Answer: D — Both Retinol and Glycolic acid
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Q. Which of the following is a common ingredient in anti-inflammatory drugs? (2022)
-
A.
Ibuprofen
-
B.
Acetaminophen
-
C.
Aspirin
-
D.
All of the above
Solution
Ibuprofen, Acetaminophen, and Aspirin are all common ingredients in anti-inflammatory medications.
Correct Answer: D — All of the above
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Q. Which of the following is a common preservative in food? (2019)
-
A.
Sodium benzoate
-
B.
Ethanol
-
C.
Acetic acid
-
D.
Benzene
Solution
Sodium benzoate is widely used as a food preservative to prevent spoilage.
Correct Answer: A — Sodium benzoate
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Q. Which of the following is a common side effect of antibiotics? (2019)
-
A.
Nausea
-
B.
Headache
-
C.
Diarrhea
-
D.
All of the above
Solution
Antibiotics can cause a range of side effects, including nausea, headache, and diarrhea.
Correct Answer: D — All of the above
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Q. Which of the following is a common source of dietary fiber? (2020)
-
A.
Meat
-
B.
Dairy
-
C.
Fruits
-
D.
Oils
Solution
Fruits are a common source of dietary fiber, which is important for digestive health.
Correct Answer: C — Fruits
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