Nutrients, Classification And Functions — Chapter Summary
Telangana Open School (TOSS) · Class 12 · Community Science (Home Science)
Summary of Nutrients, Classification And Functions for Telangana Open School (TOSS) Class 12 Community Science.
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Overview
Food is essential for life, providing energy, building body tissues, and regulating body functions. This chapter explores the various components of food, their classification, and how they support growth, development, and overall health. It also discusses the psychological and social roles of food i
Key Concepts
Food performs three main functions
Food performs three main functions: physiological (energy giving, body building, protective), psychological (emotional satisfaction), and social (bond
Nutrients required in large amounts
Nutrients required in large amounts: carbohydrates (4 kcal/g), proteins (4 kcal/g), and fats (9 kcal/g). Carbohydrates provide quick energy, proteins
Vitamins and minerals needed in small
Vitamins and minerals needed in small amounts. They regulate body processes like metabolism, immunity, and bone health. Examples: Vitamin C for immuni
Components like dietary fiber and phytochemicals
Components like dietary fiber and phytochemicals that do not provide energy but support health. Fiber aids digestion, while phytochemicals protect aga
Substances in food that interfere
Substances in food that interfere with nutrient absorption. Examples: phytates reduce mineral absorption, avidin in raw eggs blocks biotin. Traditiona
Learning Objectives
- Understand the definition and importance of food
- Classify nutrients into macronutrients and micronutrients
- Explain the physiological, psychological, and social functions of food
- Identify sources and functions of major nutrients
- Recognize non-nutritive components like fiber and phytochemicals
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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