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Nutrition

ICSE · Class 9 · Biology

Step-by-step guide to study Nutrition in ICSE Class 9 Biology. Topics to cover, practice strategy, and time allocation.

42 questions40 flashcards5 concepts

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An infographic illustrating the six main purposes of nutrition for living organisms: growth, repair, energy, maintenance of chemical composition, provision of raw materials for secretions, and protect
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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 42 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Nutrition after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Nutrition supplies nutrients to the body.
  • Food is any substance eaten or drunk that contains nutrients.
  • Diet means the combination of food items taken in meals.

  • Carbohydrates are the main energy-giving nutrients.
  • Monosaccharides have formula C6H12O6.
  • Glucose, fructose, and galactose are monosaccharides.

  • Cellulose provides roughage.
  • Cellulose is not digested in the human body because there is no cellulose-digesting enzyme.
  • Roughage absorbs water and helps prevent constipation.

Common Mistakes to Avoid

Kwashiorkor and Marasmus are the same disease.

Kwashiorkor is caused by lack of calories only.

Glucose, fructose, and galactose are disaccharides.

Memory Tips

Definition of nutrition

Definition of food

Balanced diet

Six classes of nutrients

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Frequently Asked Questions

What are the important topics in Nutrition for ICSE Class 9 Biology?
Nutrition covers several key topics that are frequently asked in ICSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Nutrition — ICSE Class 9 Biology?
Understand the core concepts first, then work through the 42 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.

More resources for Nutrition

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