1) Biological environment depends on- a) Sunlight b) Air c) Water d) All 2) Cutting down trees means- a) Deforestation b) Afforestation c) Clear Environment d) None of these 3) Another word for Environment is- a) Land b) Water c) Air d) Surrounding 4) Lithosphere means- a) Both continents and ocean beds b) Only continents c) Only Ocean beds d) Nature 5) Electricity generated by water- a) Solar energy b) Hydro-electricity c) Chemical energy d) Power supply 6) Ryan :- When does your birthday fall? a) 10 th June b) 5 th May c) 5 th June d) 10 th May 7) Saving Environment for future generations- a) Sustainable development b) Protection c) Production d) Balancing 8) Nitrogen content in the atmosphere is- a) 10% b) 40% c) 78% d) 21% 9) Human beings have______ the nature a) Used b) Misused c) Unused d) Issued 10) Why is the earth a unique planet? a) Big cities b) Great people c) Sun d) Favourable environment 11) Problems related to environment can be solved by- a) Management b) Devotion c) Ignorance d) All of the above 12) Human resources include- a) Knowledge and skills b) Technology c) Machine d) Resources

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