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Nutrients, Classification And Functions

Telangana Open School (TOSS) · Class 12 · Community Science (Home Science)

Complete topic list for Nutrients, Classification And Functions in Telangana Open School (TOSS) Class 12 Community Science (Home Science). Key concepts, sub-topics, and what to focus on for board exams.

44 questions30 flashcards5 concepts

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3 Topics · Telangana Open School (TOSS) Class 12 Community Science (Home Science)

Topics in Nutrients, Classification And Functions

1

Functions of Food

  • Food performs three main functions: physiological, psychological, and social.
  • Physiological functions include energy provision, body building, and protective & regulatory roles.
  • Energy-giving foods contain carbohydrates, fats, and proteins. 1g carbohydrate = 4 kcal, 1g protein = 4 kcal, 1g fat = 9 kcal.
2

Macronutrients and Micronutrients

  • Macronutrients are needed in large amounts: carbohydrates, proteins, fats, and water.
  • Carbohydrates are the primary energy source; found in cereals, fruits, sugars, and tubers.
  • Proteins are essential for tissue formation, repair, and enzyme/hormone production; sources include meat, eggs, pulses, and nuts.
3

Non-Nutritive Components and Anti-Nutritional Factors

  • Non-nutritive components have no energy value but play important roles in digestion and health.
  • Dietary fiber (roughage) is indigestible plant material that aids digestion and prevents constipation.
  • Fiber is of two types: soluble (lowers cholesterol and blood sugar) and insoluble (adds bulk to stool).

Key Concepts

Central concept: Nutrients and Their Functions in Human Health

FoodNutritionMacronutrientsMicronutrientsNon-Nutritive ComponentsFunctions of FoodInter-relationship of Food, Nutrition and Health

Frequently Asked Questions

What are the important topics in Nutrients, Classification And Functions for Telangana Open School (TOSS) Class 12 Community Science (Home Science)?
Nutrients, Classification And Functions covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Nutrients, Classification And Functions — Telangana Open School (TOSS) Class 12 Community Science (Home Science)?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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