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What is meant by ’drip irrigation’ ? Wha...

What is meant by ’drip irrigation’ ? What is its advantage ?

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LAKHMIR SINGH & MANJIT KAUR-WATER : A PRECIOUS RESOURCE-EXERCISE
  1. What is an aquifer ? What is the upper level of aquifer known as ?

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  2. What is groundwater ? Name the main source of groundwater.

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  3. What is meant by ’drip irrigation’ ? What is its advantage ?

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  4. What wilt happen if potted plants are not watered even for a few days ...

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  5. What will be the effect of water scarcity on plants ?

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  6. State the various ways in which we produce sewage in our homes ?

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  7. You have been asked to maintain a garden. How will you minimise the us...

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  8. Explain how ground water is recharged.

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  9. Draw a Iabelled sketch showing the water table, groundwater and aquife...

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  10. When is the World Water Day celebrated ? Why is it celebrated?

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  11. Describe the mismanagement of water : at the level of Water Supply D...

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  12. Describe the mismanagement of water : at the individual level.

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  13. Describe any two steps which can be taken for the proper management o...

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  14. Describe how the increasing population is responsible for the depleti...

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  15. Explain how the increasing industrial activities are causing the deple...

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  16. How are the agricultural activities responsible for the depletion of w...

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  17. Which one of the following is not responsible for water shortage?

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  18. The total water:

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  19. Which of the following is not an effect of acute scarcity of water on ...

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  20. The minimum amount of water recommended by the United Nations per pers...

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