Organic Chemistry - Chemistry in Everyday Life
Q. What is the primary function of antioxidants in the human body? (2020)
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A.
Increase energy
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B.
Prevent oxidation
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C.
Enhance digestion
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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 use of glycerol in the food industry? (2023)
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A.
Sweetener
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B.
Preservative
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C.
Thickening agent
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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 enzymes in the human body? (2021)
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A.
Store energy
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B.
Speed up chemical reactions
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C.
Transport oxygen
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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. Which of the following compounds is used as an antiseptic? (2020)
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A.
Ethanol
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B.
Acetic acid
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C.
Benzyl alcohol
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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 is a characteristic of essential oils? (2019)
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A.
Water-soluble
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B.
Volatile
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C.
Non-toxic
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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)
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A.
Ibuprofen
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B.
Aspirin
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C.
Paracetamol
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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 emulsifier used in food products? (2022)
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A.
Lecithin
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B.
Sorbitol
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C.
Glycerol
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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 source of omega-3 fatty acids? (2022)
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A.
Olive oil
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B.
Fish oil
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C.
Butter
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D.
Coconut oil
Solution
Fish oil is a rich source of omega-3 fatty acids, which are important for heart health and brain function.
Correct Answer: B — Fish oil
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Q. Which of the following is a synthetic dye used in food? (2023)
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A.
Curcumin
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B.
Tartrazine
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C.
Beetroot red
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D.
Carotene
Solution
Tartrazine is a synthetic yellow dye commonly used in food products.
Correct Answer: B — Tartrazine
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Q. Which of the following is a synthetic sweetener? (2023)
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A.
Fructose
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B.
Xylitol
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C.
Aspartame
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D.
Honey
Solution
Aspartame is a synthetic sweetener used in many low-calorie and sugar-free products.
Correct Answer: C — Aspartame
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Q. Which of the following is a type of carbohydrate that is not digestible by humans? (2019)
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A.
Glucose
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B.
Fructose
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C.
Cellulose
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D.
Sucrose
Solution
Cellulose is a type of carbohydrate that humans cannot digest, but it is important for dietary fiber.
Correct Answer: C — Cellulose
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Q. Which of the following is an example of a natural sweetener? (2021)
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A.
Aspartame
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B.
Stevia
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C.
Sucralose
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D.
Saccharin
Solution
Stevia is a natural sweetener derived from the leaves of the Stevia rebaudiana plant, making it a healthier alternative to synthetic sweeteners.
Correct Answer: B — Stevia
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