- What is food?
Ans. Food is the edible substance which are consumed by humans and other animals to absorb energy for various activities like physical movement, growth and development.
- Why is it advised that we should prefer eating cooked food?
Ans. It advised that we should prefer eating cooked food because by cooking harmful germs will be destroyed and becomes germless. Cooked food can be easily digested and absorbed by our digestive system in our body. Cooking will also enhance the taste of food.
- Illustrate the significance of food for living organisms.
Ans. The importance of food is:
(i) They are converted into energy which is required to do various activities.
(ii) It helps in growth of living organisms.
(iii) It helps in the process of repair and replace of damaged parts of the body of living organisms.
(iv) It safeguards us from various diseases and infections.
- Illustrate the different sources of food items and ingredients with the help of examples.
Ans. There are mainly two sources of ingredients of various food items:
(a) Plants: Plants provide us vegetables, pulses, fruits, cereals, grains etc.
(b) Animals: Animals provide us meat, eggs, and milk etc.
- Explain the term herbivores.
Ans. Herbivores are the animals which eat only plants or plant products. For instance, cow, goat and buffalo are herbivores.
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