Home Science

Balanced diet and Recommended Dietary Allowances

In this Class 11 Home Science topic from “Food, Nutrition, Health and Fitness,” students learn how a balanced diet supplies energy and essential nutrients for growth, body repair, immunity and daily activity. They study the major food groups, the role of carbohydrates, proteins, fats, vitamins, minerals, fibre and water, and how dietary needs vary with age, sex, activity level and physiological condition. The topic also introduces Recommended Dietary Allowances (RDA) and their use in planning nutritious, practical meals.

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Practice questions

01In which condition will a diet be considered energy-dense but nutritionally weak?

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Answer and explanation

Correct answer: C. When oil and sugar are high but fibre and micronutrients are low

An energy-dense diet supplies many calories in a relatively small amount, often because it contains substantial oil, sugar, or refined ingredients. It becomes nutritionally weak when it lacks fibre, protein quality, vitamins, minerals, and protective foods such as vegetables, fruits, pulses, or whole grains. Thus, high energy content alone does not mean a balanced diet.

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Balanced diet and Recommended Dietary Allowances

Practice questions

01In which condition will a diet be considered energy-dense but nutritionally weak?किस स्थिति में आहार ऊर्जा प्रधान लेकिन पोषण की दृष्टि से कमजोर माना जाएगा?

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01In which condition will a diet be considered energy-dense but nutritionally weak?