Very Short answer type questions
Short answer type questions:
(i)What is eutrophication?
(ii)What is water pollution?
(iii)What is thermal pollution?
(iv)What is chlorination?
(v)What is potable water?
Match the following:
Short answer type questions/HOTS:
The Indian Government encourages people to not use charcoal and wood for cooking. Explain why?
Ships need to design in such a way that their oil can’t spill in the water bodies. This statement is actually a strong argument which discourages the use of oil as a fuel. But, an environmentalist explained the correct explanation of this statement that is accepted by each and every offender. What was environmentalist’s explanation?
Industrial emission has become the second leading cause of air pollution. Explain why?
How is smog harmful for us?
How does acid rain occur?
Why did the project “Save Taj” launched in 1983?
Write any three steps to prevent water pollution?
Write any three steps to prevent air pollution?
Long answer type questions:
Explain the process of water purification for public distribution. Also, draw a diagram to support your response.
Explain the causes of air pollution.
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Class 8 Maths
Class 8 Science