Questions and Answers
What is the primary reason why all living organisms, including green plants, require food?
To carry out various body functions
What process do green plants use to synthesize their own food?
Photosynthesis
Why can animals, including humans, not make their own food like green plants?
Absence of chlorophyll
Where do animals get their food from?
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What term is used to describe the cultivation of plants of the same kind on a large scale?
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Study Notes
Summer Vacation
- Paheli and Boojho went to their uncle's house during summer vacation, where their uncle is a farmer.
Farming Tools
- Various tools like khurpi, sickle, shovel, plough, etc. are used in farming.
Food and Living Organisms
- All living organisms require food for energy and survival.
- Green plants synthesise their own food through photosynthesis.
Animal Nutrition
- Animals, including humans, cannot make their own food and depend on other sources for nutrition.
- Animals get their food from plants, other animals, or both.
Importance of Food
- Energy from food is utilised by organisms for various bodily functions, such as digestion, respiration, and excretion.
- Food is essential for the survival of living organisms.
Large-Scale Food Production
- Food has to be produced on a large scale to meet the demands of a growing population.
- When plants of the same kind are cultivated on a large scale, it is called a crop.
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Description
Test your knowledge on photosynthesis, the process by which green plants synthesize their own food, and nutrition in living organisms. Learn about how animals obtain their food and why energy from food is essential for survival.
