Question

Write  notes  on  the  following  topics.
(a) Potable  water
(b) Water  management
(c) Rainwater  harvesting

MSCERT Class 7 General Science Ch 2 Water - A Natural Resource

Answer 1

a) potable water- water fit for drinking and consumption of human is called potable water. there is very less amount of potable water or drinking water, so it needs to be conserved.

b) water management- we need to plan carefully how to use water carefully,how to distribute it and develop it.thoughtful management of water by the cooperation of people and government can be termed as water management. water need to be managed properly so that it can be available for us at least as per our need.

c) Rainwater conservation- it is the method of collecting and storing rainwater for future use. rainwater needs to be conserved so that when water is required, we can purify and use it rather than letting the rainwater waste.

Answer 2

1- Potable Water- Water which is fit for drinking and good for human consumption is called Potable Water.

2- Water Management- Management of water for future use and which can help in saving water and to reduce water scarcity is called Water Management.

3- Rainwater Conservation- A method of collecting rainwater and saving it for future use is called Rainwater Conservation. It is mainly stored on the roof of houses.