Class 6 Science Ch-1 CBSE (Notes)

Chapter 1: Food – Where Does It Come From?

1. Introduction to Food

• Food is essential for all living beings to stay alive and grow.
• It provides energy and helps in the development and repair of the body.

2. Sources of Food

• Food comes from plants and animals.
• Plants provide fruits, vegetables, cereals, pulses, and some spices.
• Animals provide meat, milk, eggs, and honey.

3. Plant-based Food

• Plants are the primary source of food. The parts of plants we consume are:
  • Roots: Examples: Carrot, Radish, Beetroot.
  • Stems: Examples: Potato, Ginger, Sugarcane.
  • Leaves: Examples: Spinach, Lettuce, Mint.
  • Flowers: Examples: Cauliflower, Broccoli.
  • Fruits: Examples: Apple, Banana, Mango.
  • Seeds: Examples: Peas, Beans, Wheat.

4. Animal-based Food

• Animals also provide food that includes:
  • Milk: Cow, buffalo, goat.
  • Eggs: Hen, duck.
  • Meat: Chicken, fish, goat, etc.
  • Honey: Produced by bees.

5. Ingredients in Food

• Food Ingredients are the individual components that make up a dish.
• Examples:
  • Cereal grains: Wheat, rice, oats.
  • Pulses: Lentils, chickpeas, beans.
  • Spices: Turmeric, coriander, cumin.
  • Fats and oils: Ghee, butter, vegetable oil.

6. What Do We Get From Food?

• Food provides energy for daily activities.
• It helps in growth and repair of tissues.
• It keeps our body healthy and helps in fighting diseases.

7. Plant and Animal Products for Food

• Plant-based food includes fruits, vegetables, cereals, and pulses.
• Animal-based food includes milk, meat, eggs, and honey.

8. Classification of Animals Based on Their Food Habits

• Animals can be classified into three categories based on their food habits:
  1. Herbivores: Animals that eat only plants. (e.g., Cow, Goat, Elephant)
  2. Carnivores: Animals that eat only other animals. (e.g., Lion, Tiger, Wolf)
  3. Omnivores: Animals that eat both plants and animals. (e.g., Humans, Bears, Crows)

9. Different Types of Foods

• Vegetarian Food: Made from plant sources like fruits, vegetables, and cereals.
• Non-Vegetarian Food: Made from animal sources like meat, eggs, and milk.

10. The Importance of a Balanced Diet

• A balanced diet contains the right proportions of carbohydrates, proteins, fats, vitamins, and minerals.
• It is important for the proper growth and health of the body.