Olympiad Test: Pollution Of Air And Water - 1


10 Questions MCQ Test Science Olympiad Class 8 | Olympiad Test: Pollution Of Air And Water - 1


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Attempt Olympiad Test: Pollution Of Air And Water - 1 | 10 questions in 20 minutes | Mock test for Class 8 preparation | Free important questions MCQ to study Science Olympiad Class 8 for Class 8 Exam | Download free PDF with solutions
QUESTION: 1

Which of these causes water pollution?

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QUESTION: 2

Using less water and preventing it from getting polluted is called ______________ of water.

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QUESTION: 3

Which of these can cause acid rain?

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QUESTION: 4

Which of these processes can NOT remove germs from water?

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QUESTION: 5

Chloroflurocarbons damage the ______________ layer present in the atmosphere

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QUESTION: 6

Which of the following gases combines with the blood and prevents it from carrying oxygen to the body?

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QUESTION: 7

Which of the following is not a pollutant unless present in excess?

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QUESTION: 8

Which of these methods does not result in conservation of water?

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QUESTION: 9

Water is renewed continuously in nature through

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QUESTION: 10

SPM stands for

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