MEDIUM
9th Telangana Board
IMPORTANT
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Write an essay explaining the importance of the Ozone layer.

Important Questions on Bio-Geo-Chemical Cycles

MEDIUM
9th Telangana Board
IMPORTANT
Biology Class 9>Chapter 11 - Bio-Geo-Chemical Cycles>Improve your learning>Q 9
"Burning of fossil fuels a concern for scientists and environmentalists" How do you support this statement?
MEDIUM
9th Telangana Board
IMPORTANT
Biology Class 9>Chapter 11 - Bio-Geo-Chemical Cycles>Improve your learning>Q 10
"CO2 play a vital role in plant life process" - comment?
MEDIUM
9th Telangana Board
IMPORTANT
Biology Class 9>Chapter 11 - Bio-Geo-Chemical Cycles>Improve your learning>Q 11
How human activities cause an imbalance in biogeochemical cycles?
MEDIUM
9th Telangana Board
IMPORTANT
Biology Class 9>Chapter 11 - Bio-Geo-Chemical Cycles>Improve your learning>Q 12
List three ways we, as humans, have affected the water cycle.
MEDIUM
9th Telangana Board
IMPORTANT
Biology Class 9>Chapter 11 - Bio-Geo-Chemical Cycles>Improve your learning>Q 14
Prepare slogans on greenhouse effect and read them out in the school assembly.
HARD
9th Telangana Board
IMPORTANT
Biology Class 9>Chapter 11 - Bio-Geo-Chemical Cycles>Improve your learning>Q 15
Draw oxygen, water and nitrogen cycles.