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- Multiple ChoicePlease save your changes before editing any questions.
The first World Environment Day was held in which year?
A. 1971
B. 1974
C. 1976
D. 1978
- Multiple ChoicePlease save your changes before editing any questions.
Environment includes
A. biotic components
C. oxygen & nitrogen
abiotic components
D. abiotic & biotic components
- Multiple ChoicePlease save your changes before editing any questions.
The largest ecosystem of earth is
A. biome
B. hydrosphere
C. lithosphere
D. biosphere
- Multiple ChoicePlease save your changes before editing any questions.
Global warming is expected to result in
A. increase in sea level
B. change in crop pattern
C. change in costal line
D. all of these
- Multiple ChoicePlease save your changes before editing any questions.
What is the cause of “Greenhouse effect”?
A. Nitrogen
B. Carbon dioxide
C. Carbon monoxide
D. Nitrogen dioxide
- Multiple ChoicePlease save your changes before editing any questions.
What is the biggest source of pollution in the world?
A. sewage & garbage
B. automobile laxity
C. herbicide & pesticide
D. industrial waste
- Multiple ChoicePlease save your changes before editing any questions.
The concentration of which gas is highest in our environment?
A. Oxygen
B. Hydrogen
C. Nitrogen
D. Carbon dioxide
- Multiple ChoicePlease save your changes before editing any questions.
Layer of atmosphere in which Ozone layer lies is
A. exosphere
B. mesosphere
C. troposphere
D. stratosphere
- Multiple ChoicePlease save your changes before editing any questions.
The main source of water pollution is
A. Sewage Water
B. Rain Water
C. Atmospheric Pollutants
D. Well-Water
- Multiple ChoicePlease save your changes before editing any questions.
Which day is Earth Day?
A. April 22
B. December 21
C. August 12
D. October 31