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Revision Notes

Public Nutrition and Health — Revision Notes

CBSE · Class 12 · Home Science

Public Nutrition and Health revision notes for CBSE Class 12 Home Science: 4 topics in quick points. Part of the CBSE Class 12 Home Science syllabus.

78 questions72 flashcards5 concepts

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An infographic illustrating the broad scope of public health nutrition, showing its multidisciplinary nature and the various areas it addresses, from prevention to policy.
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Key Topics to Revise

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1. Meaning and Importance of Public Nutrition

  • Public health nutrition is concerned with promotion of good health through prevention of nutrition-related illnesses and problems in the population.
  • It includes government policies and programmes aimed at solving nutritional problems.
  • It is a multidisciplinary field based on biological and social sciences.
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2. Protein-Energy Malnutrition and Anthropometric Terms

  • Protein-energy malnutrition is caused by inadequate intake of energy and protein.
  • PEM is found in every society, including developed and industrialised countries, though it is more common in developing countries.
  • Children are at greatest risk, but PEM can also occur in adults, especially the elderly, and in diseases like tuberculosis and AIDS.
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3. Micronutrient Deficiencies and Hidden Hunger

  • Micronutrient deficiency is also called hidden hunger.
  • The deficiencies of iron, vitamin A, iodine, and zinc are of major public health concern.
  • Vitamin B12, folic acid, calcium, vitamin D, and riboflavin deficiencies are growing concerns.
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4. Iron-Deficiency Anaemia

  • Iron-deficiency anaemia is the most common nutritional disorder in the world.
  • It occurs when hemoglobin production is reduced, leading to low hemoglobin levels in blood.
  • Vulnerable groups are women in child-bearing age, adolescent girls, pregnant women, and school-age children.

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Full Notes

Key Concepts

Public health nutrition is concernedMalnutrition includes both undernutrition and overnutritionProteinMarasmus is severe undernutrition dueUnderweight means low weight for age

Frequently Asked Questions

What are the important topics in Public Nutrition and Health for CBSE Class 12 Home Science?
Key topics in Public Nutrition and Health include Meaning and Importance of Public Nutrition, Protein-Energy Malnutrition and Anthropometric Terms, Micronutrient Deficiencies and Hidden Hunger, Iron-Deficiency Anaemia. Study these first, then practise questions on each for the CBSE Class 12 board exam.
How should I revise Public Nutrition and Health for the CBSE Class 12 board exam?
Learn the core ideas first, then work through the 78 practice questions on Public Nutrition and Health. Revise 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 Public Nutrition and Health

All CBSE Class 12 Home Science Revision Notes

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