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प्रश्न
List four advantages of water stored in the ground.
उत्तर
Advantage of water stored in the ground
(i) It does not evaporate and is available to wells
(ii) It does not provide breeding grounds for mosquitoes etc.
(iii) Provides moisture for vegetation over a wide range.
(iv) It is also protected from contamination by human and animal waste.
Notes
संबंधित प्रश्न
How can water harvesting technique help in the conservation of water?
Fill in the following blank with suitable word :
Khadin is a traditional ............... harvesting system in Rajasthan.
Khadins are used in Rajasthan to :
(a) hold water for irrigation
(b) recharge groundwater
(c) promote soil erosion
(d) trap wild animals
Mention any three water harvesting systems practised in India.
Water becomes ice on ______.
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.
______ water is obtained through open wells, tube wells or hand pumps, springs.
In our country, there are attempts to increase the height of several existing dams like Tehri and Almati, dams across Narmada.
Choose the correct statements among the following that are a consequence of raising the height of dams
- Terrestrial flora and fauna of the area is destroyed completely
- Dislocation of people and domestic animals living in the area
- Valuable agricultural land may be permanently lost
- It will generate permanent employment for people
Floating leaves have long ______ to enable the leaves to move up and down in response to changes in water level.
Sublimation is the conversion of solid into a liquid.
