Page No 194: - Chapter 14 - Natural Resources - Ncert Solutions class 9 - Science
Updated On 26-08-2025 By Lithanya
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Question 1:
Why do organisms need water?
Answer:
Organisms need water for the following reasons:
(i) All cellular processes need water as a medium. Usually, the reactions that take place in our body or within the cells occur between substances that are dissolved in water.
(ii) Since most of the substances are transported in a dissolved form, water is necessary.
Question 2:
What is the major source of fresh water in the city/town/village where you live?
Answer:
River is a major source of fresh water.
Question 3:
Do you know of any activity which may be polluting this water source?
Answer:
The discharge of waste water from homes, industries, hospitals, etc. into the river pollutes this fresh water source.
