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1.Natural Resources - Air, Water and Land

 6th General Science Quiz

1. Natural Resources.

 

Q1. __________ gas helps living things to build necessary proteins.





Q2. Which gas is necessary for combustion and respiration in living things?





Q3. Which gas plants use for producing their own food?





Q4. which gas used in electric bulbs?





Q5. ________ gas used in fire extinguishers.





Q6. which gas used for obtaining low temperature?




Q7. The living things occupy parts of shperes are called ...............





Q8. Proportion of land is..........%





Q9. What is the proportion of water on earth?





Q10. Air, water and land are fulfilling our basic needs they are called ............





Q11. What is the proportion of carbon dioxide in air?





Q12. What is the proportion of oxygen in air?




Q13. What is the proportion of nitrogen in air?





Q14. Which gas used for packaging of airtight foodstuff?





Q15. Which gas used in decorative and street light?





Q16. Which gas used in fluorescent tubes?





Q17. -------- rays coming from the sun are very harmful for living things.





Q18. which of the following day is celebrated as Ozone protection day?





Q19. why ozone layer is protective shell of the earth? because -





Q20. Which of the following gas used in refrigerators and air conditioners?





Q21. What is the molecular formula of ozone gas?

By Revan Kharade



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