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प्रश्न
Write notes on the following:
Algal Bloom
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उत्तर
Algal Bloom is excess growth of algae due to abundant excess nutrients imparting distinct color to water.
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संबंधित प्रश्न
Have you ever observed any water pollution in your area? What measures would you suggest to control it?
What are natural reasons for water pollution?
Give a reason why :
Polluted water causes disease.
What is water pollution?
With reference to the sources of water pollutants answer the following question:
In what way does the industrial waste pollute water?
Give few steps to save water.
What are some solutions to toxic dumping in our oceans?
Oxygen is returned to the atmosphere mainly by
Read the paragraph and answer the questions following it.
| Water is essential for life. Without water there would be no life. We usually take water as granted for its purity, but we must ensure the quality of water. Pollution of water originates from human activities. Through different paths, pollution reaches to groundwater. Easily identified source or place of pollution is called as point source, e.g. municipal and industrial discharge pipes, where pollutants enter the water source. Non-point sources of pollution are those where a source of pollution cannot be easily identified, e.g. agricultural run-off, acid rain, etc. |
- How do you classify the various sources of water pollution?
- What are the point sources of water pollution?
- Name any two non-point sources of water pollution?
Microplastics can be found in almost every freshwater source.
