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Questions and Answers
What are the five essential requirements for human existence mentioned in the text?
What are the five essential requirements for human existence mentioned in the text?
- Air, Water, Fire, Earth, Space
- Air, Water, Food, Energy, Minerals
- Air, Soil, Food, Sunlight, Water
- Air, Water, Food, Heat, Light (correct)
Why is the use of water crucial for man, plants, and animals?
Why is the use of water crucial for man, plants, and animals?
- It is primarily used for transportation and cleaning purposes
- It helps in regulating the Earth's atmosphere
- It is necessary for the production of heat and light
- It is essential for the growth of vegetation and bacterial action (correct)
What is the role of bacterial action in the growth of vegetation?
What is the role of bacterial action in the growth of vegetation?
- Bacterial action helps in controlling water pollution
- Bacterial action directly provides nutrients to the plants
- Bacterial action can convert vegetable matter into productive soil (correct)
- Bacterial action produces oxygen essential for plant growth
How do new plants grow in the soil?
How do new plants grow in the soil?
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What does the text suggest about the relationship between water and ecological balance?
What does the text suggest about the relationship between water and ecological balance?
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