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CBSE
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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
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MCQ Questions for CBSE Class 4 with Answers
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MCQ Questions for CBSE Class 1 with Answers
Quiz
Quiz
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Pollution Quiz
1.
Which of the following elements is
not
a heavy metal?
Lead
Lithium
Arsenic
Mercury
2.
Which book is best known for raising awareness that the overuse of DDT and other chemicals was leading to declines in bird populations?
Silent Spring (1962) by Rachel Carson
The Sheep Look Up (1972) by John Brunner
The Lorax (1971) by Dr. Seuss
A Civil Action (1995) by Jonathan Harr
3.
Which of the following is
not
considered a major pollutant in aquatic environments?
Sulfur dioxide
Cooling water discharge from power plants
Sewage
Petroleum
4.
How many metric tons of plastic waste are thought to be discharged into the oceans every year?
Between 8.4 million and 16.2 million
Between 1.3 million and 2.9 million
Between 3.5 million and 6.9 million
Between 4.8 million and 12.7 million
5.
Of the following, which is the most effective strategy to stem the impact of toxic waste?
Stopping the production of polluting materials
Recycling polluting materials
Reusing raw materials
Raising taxes on companies that pollute
6.
Which chemical below is a key component of photochemical smog?
Lead
Sulfur dioxide
Ozone
Carbon dioxide
7.
Which three chemical elements are the most important for plant growth and make up the bulk of chemical fertilizers?
Carbon, hydrogen, and oxygen
Phosphorus, potassium, and nitrogen
Lithium, silicon, and nitrogen
Phosphorus, iron, and nitrogen
8.
Gaseous compounds of which two chemical elements are primarily responsible for the breakdown of Earth’s ozone layer?
Carbon and nitrogen
Chlorine and oxygen
Chlorine and bromine
Hydrogen and carbon
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