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प्रश्न
Write notes on the following:
Algal Bloom
उत्तर
Algal Bloom is excess growth of algae due to abundant excess nutrients imparting distinct color to water.
संबंधित प्रश्न
Do you know of any activity which may be polluting this water source?
What do you do in the following situations:
Get turbid drinking water during monsoon.
Study the picture given below and answer the following questions :
Name one pollutant that causes the above the pollution.
Study the picture given below and answer the following questions :
Mention the impact of this pollution on human health.
Sewage is a liquid waste from ______.
List the three major constituents of sewage.
What are the common sources of oil spills?
Give a reason why :
Polluted water causes disease.
Name two heavy metals from industries that pollute water.
Water in the sea is sweet.
Give few steps to save water.
Do not throw plastic garbage when you go near beaches.
What are the pollutions caused by the objects given below?
- Loud Speaker
- Plastic
Explain the different ways by which water gets polluted.
Classify the most significant sources of water pollutants.
Why does water need conservation even though large oceans surround the landmasses?
Microplastics can be found in almost every freshwater source.
Phosphate containing fertilisers cause water pollution. Addition of such compounds in water bodies causes:
(i) enhanced growth of algae.
(ii) decrease in amount of dissolved oxygen in water.
(iii) deposition of calcium phosphate.
(iv) increase in fish population.
Give two examples of water pollutants.
Define the following term:
Oil spills
