Food is any substance or material eaten or drunk to provide nutritional support for the body. It is usually of plant or animal origin. Food contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals which are ingested and assimilated by an organism to produce energy, stimulate growth, and maintain life.
Students can now download free, easy-to-understand PDF CBSE Class 9 Science Chapter 12 – Improvement in Food Resources, designed to enhance their understanding of this vital topic.
Crop variety improvement:
Crop production management:
Nutrient management :
Irrigation
Cropping patterns
Crop protection management
Storage of grains
(Session 2025 - 26)