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Class 10

Tamil Nadu Class 10 Social Science Chapter 25 - Food Security and Nutrition

Samacheer Kalvi Class 10 Social Science Economics guide for Food Security and Nutrition with food availability, PDS, malnutrition, government schemes, important questions, and revision checklist.

Updated 9 May 20262 min read

Quick Summary

Food security is not just food production. It includes availability of food, people's access to food, affordability, nutrition, and government systems that protect vulnerable groups.

Key Areas to Study

  • Meaning of food security
  • Availability, access, and affordability
  • Nutrition and balanced diet
  • Malnutrition and hunger
  • Public Distribution System
  • Government welfare schemes
  • Role of agriculture and storage

Key Terms

TermMeaning
Food securityReliable access to sufficient and nutritious food.
NutritionFood elements needed for health and growth.
MalnutritionPoor health caused by lack or imbalance of nutrients.
PDSPublic Distribution System for subsidised food grains.
Buffer stockStored food grains used for emergencies and price stability.

Important Questions

One Mark

  • What is food security?
  • What is malnutrition?
  • What is PDS?
  • What is buffer stock?

Two Marks

  • Write two dimensions of food security.
  • Why is nutrition important?
  • Mention two causes of malnutrition.
  • How does PDS help poor families?

Five Marks

  • Explain the meaning and importance of food security.
  • Describe the role of government in food security and nutrition.
  • Discuss the causes and effects of malnutrition.

Common Mistakes

  • Writing only food production and ignoring access.
  • Treating hunger and malnutrition as exactly the same.
  • Forgetting PDS and government schemes.
  • Not connecting nutrition with health.

Revision Checklist

  • Food security definition memorised
  • Availability-access-affordability revised
  • PDS and buffer stock understood
  • Malnutrition causes prepared
  • Five-mark answer practised

Frequently Asked Questions

Food security means that all people have physical and economic access to sufficient, safe, and nutritious food at all times.

Related Notes