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Why is water essential for life?...

Why is water essential for life?

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(i) About 70% weight of human being is due to water.
(ii) All cellular processes take place in water as medium.
(iii) All reactions take place within our body and within the cells between substances that are dissolved in water.
(iv) Transportation of substances from one form to another takes place due to water.
(v) Terrestrial life forms require fresh water for the transportation of substances and to get rid of high amount of wastes. Solved
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  1. Why is water essential for life?

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  2. What is the effect of a thermal power plant on water bodies?

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  3. What do you understand by oil spill?

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  4. Which substance released from the refrigerator is responsible for the ...

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  5. Name the gas which plays a major role in global warming

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  6. Disinfection of water removes

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  7. What is a common method of water purification at home?

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  8. Why is chlorine added to water?

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  9. Explain the function of bar screens in a wastewater treatment plant.

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  10. Which one of these can be called potable water?

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  11. Which two gases should be present in potable water?

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  12. What requirement should be fulfilled by potable water (water for drink...

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  13. Water that is fit for consumption is known as .

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  14. Which program did the Government of India start to clean river Ganga?

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  15. Which of the following is a water borne disease?

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  16. How do thermal power plants affect aquatic life?

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  17. What leads to eutrophication in rivers?

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  18. ELECTROSTATIC PRECIPITATOR

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  19. Which is the gas that produces the most damaging acid rains ?

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  20. compound that combines with haemoglobin of blood to form carboxy haemo...

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  21. List any three human activies that you think lead to air pollution.

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