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प्रश्न
Write the advantages of rainwater harvesting.
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उत्तर
Advantages:
- Rainwater harvesting can reduce flooding in cities.
- Rainwater harvesting can reduce topsoil loss.
- Groundwater level can be increased.
- Groundwater can be conserved.
- It can improve plant growth.
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संबंधित प्रश्न
List two measures that you would suggest for the better management of water resources.
Name the river with which the Tehri Dam is associated.
Name the river with which the Bhakra Dam is associated.
State the advantages of constructing dams across the rivers.
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.
(i) Terrestrial flora and fauna of the area are destroyed completely.
(ii) Dislocation of people and domestic animals living in the area.
(iii) Valuable agricultural land may be permanently lost.
(iv) It will generate permanent employment for people.
Which of the following activities will prove to be effective in preventing floods?
i. Removing the topsoil
ii. Afforestation
iii. Construction of dams
iv. Cutting of trees
Choose the correct option from the following.
Define – Freshwater.
______ water is obtained through open wells, tube wells or hand pumps, springs.
A larger portion of water is ______ % of the total available fresh water in frozen state.
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
