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प्रश्न
Answer the following question.
Write two causes for the failure of sustained availability of groundwater.
उत्तर
Causes of failure of sustained availability of groundwater:
- Pollution of water caused by human activities and industrial effluents.
- Overuse of groundwater leading to a shortage of water.
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संबंधित प्रश्न
How can water harvesting technique help in the conservation of water?
Name two water harvesting system practised in India.
The main reason for the abundant coliform bacteria in the water of river Ganga is :
(a) immersion of ashes of the dead into the river
(b) washing of clothes on the banks of river
(c) discharge of industrial wastes into river water
(d) disposal of unburnt corpses into river water
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?
Khadins, bundhis, ahars, and kattas are ancient structures built for the purpose of ______
The Tehri Dam is constructed on River ______
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.
Analogy:
Frozen Water: Glaciers:: Surface Water: ______.
Khadins, Bundhis, Ahars and Kattas are ancient structures that are examples for
