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प्रश्न
- Locate and name the water reservoirs in Figures (a) and (b).
- Which has an advantage over the other and why?
(a)
(b)
उत्तर
- The water reservoir is a pond in Figure (a) and underground water body in the Figure (b).
- Figure (b) is more advantageous than Figure (a) because of the following reasons :
- Stored water is protected from contamination by animal and human wastes.
- It does not evaporate.
- It fills up the recharge wells.
- It keeps the vegetation moist over a wide area.
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संबंधित प्रश्न
Name two factors which can be used to find whether river water has been contaminated.
What is the name of the process in which rainwater falling on the earth is stopped from flowing and made to percolate into the ground?
Name the most common practice of recharging ground water.
State the advantages of constructing dams across the rivers.
What are the various advantages of water stored in ground?
The pH of a sample of water collected from a river is found to be in the range of 3.5 to 4.5. The most likely reason for this is the waste being discharged into the river from a :
(a) soap and detergent manufacturing factory
(b) car battery manufacturing factory
(c) alcohol manufacturing factory
(d) plastic cups moulding factory
What is meant by Rain Water Harvesting?
Describe the method of rainwater harvesting.
Which of the following are/ are not the consequence/consequences of building high-rise dams?
i. Loss of biodiversity
ii. Depletion of the natural habitats of wild animals
iii. Soil erosion leading to the infertility of the land
iv. Fall in the groundwater level
Choose the correct option from the following.
March 22 is observed as ______.
