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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
Fill in the following blank with suitable word :
Khadin is a traditional ............... harvesting system in Rajasthan.
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
Ahars, Kattas, Bhundhis and Khadins are the modes of :
(a) grain storage
(b) soil conservation
(c) water harvesting
(d) cold storage
What is the purpose of the float switch in the Super Rainwater System?
Name the component of sunlight which facilitates drying of wheat after harvesting.
Answer the following question.
Write two causes for the failure of sustained availability of groundwater.
Rainwater harvesting was launched by the Tamil Nadu government in 2011.
A jumbled word is given here. Write the correct form of the word.
WASHFERRET
Specific constituents such as nitrogen, phosphorus, suspended solids, and heavy metals found in the wastewater are removed during the ______ treatment of the water recycling process.
The microorganism used in file secondary treatment must be separated from treated wastewater by ______.
