Natural Resources and their Use — Important Questions
CBSE · Class 8 · Social Science
90 important questions from Natural Resources and their Use for CBSE Class 8 Social Science, with answers. Includes multiple choice, multiple correct.
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Important Questions from Natural Resources and their Use
How long may India's coal reserves last, as estimated in the chapter?
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Another 50 years
The chapter estimates that India's coal reserves may last about 50 more years.
What does a mature tree produce about each day?
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275 litres of oxygen
A mature tree produces about 275 litres of oxygen per day.
About how much oxygen does a human being need every day?
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350 litres
A human being needs about 350 litres of oxygen every day.
In which year did Sikkim become a 100% organic state?
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2016
Sikkim became a 100% organic state in 2016, with all farmland certified organic.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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