Class 12 Home Science Chapter 1: Food, Nutrition and Health Quiz

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Questions and Answers

Which nutrient is the body's main source of energy?

  • Vitamins
  • Proteins
  • Fats
  • Carbohydrates (correct)

What is the function of proteins in the body?

  • Facilitate digestion
  • Regulate body temperature
  • Provide energy
  • Build and repair tissues (correct)

Which of the following nutrients is important for maintaining healthy skin and hair?

  • Fats (correct)
  • Minerals
  • Vitamins
  • Water

What is the role of vitamins in the body?

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Study Notes

Main Source of Energy

  • Carbohydrates serve as the body's primary energy source, providing necessary fuel for bodily functions and physical activities.

Function of Proteins

  • Proteins are essential for growth, tissue repair, and the production of enzymes and hormones.
  • They play a crucial role in maintaining muscle mass and overall bodily functions.

Nutrient for Healthy Skin and Hair

  • Essential fatty acids, particularly omega-3 and omega-6, are important for maintaining healthy skin and hair.
  • These nutrients support skin hydration and elasticity, as well as promote hair growth.

Role of Vitamins

  • Vitamins are organic compounds vital for various biochemical processes in the body.
  • They help in immune function, energy production, and the maintenance of healthy skin and eyes, among other roles.
  • Each vitamin has specific functions, such as vitamin C for collagen production and vitamin D for calcium absorption.

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