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Q1. What is the role of preservatives in food? (2020)
Solution:
Preservatives are added to food to prevent spoilage and increase shelf life by inhibiting the growth of microorganisms.
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Q2. Which of the following is a synthetic dye used in food? (2023)
Solution:
Tartrazine is a synthetic yellow dye commonly used in food products.
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Q3. Which vitamin is essential for blood clotting? (2023)
Solution:
Vitamin K is essential for the synthesis of proteins required for blood clotting.
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Q4. Which of the following is a common use of glycerol in food? (2021)
Solution:
Glycerol is used in food as a sweetener, preservative, and thickening agent, making it versatile in food applications.
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Q5. Which of the following is a synthetic polymer used in everyday products? (2020)
Solution:
Polystyrene is a synthetic polymer commonly used in packaging and insulation materials.
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Q6. Which of the following is a common use of phenol? (2022)
Solution:
Phenol is widely used as a disinfectant due to its antimicrobial properties.
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Q7. Which of the following is a synthetic sweetener? (2023)
Solution:
Aspartame is a synthetic sweetener used in many low-calorie and sugar-free products.
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Q8. Which of the following is a common ingredient in anti-aging creams? (2021)
Solution:
Both Retinol and Glycolic acid are commonly used in anti-aging creams for their skin rejuvenating properties.
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Q9. Which of the following is a common ingredient in anti-inflammatory drugs? (2022)
Solution:
Ibuprofen, Acetaminophen, and Aspirin are all common ingredients in anti-inflammatory medications.
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Q10. Which of the following compounds is used in the treatment of diabetes? (2022)
Solution:
Metformin is a medication commonly prescribed for the management of type 2 diabetes.
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