Q1. Which of the following is not a greenhouse gas?

(a) Carbon dioxide

(b) Sulphur dioxide

(c) Methane

(d) Nitrogen

 

Q2. Which air pollutant reduces the oxygen-carrying capacity of the blood?

 

Q3. What protects us from harmful ultraviolet rays of the sun?

 

Q4. Name three greenhouse gases present in the atmosphere.

 

Q5. What is potable water?

 

Q6. Which gas contributes maximum to greenhouse effect?

 

Q7. Name one gas which damages the ozone layer of the atmosphere.

 

Q8. Why is Ozone layer important?

 

Q9. Name some toxic metals whose compounds are present in industrial wastes.

 

Q10. Name any two types of chemicals used in agriculture which cause water pollution.

 

Q11. Name any three diseases caused by drinking polluted water containing sewage.

 

Q12. Which gas is mainly responsible for greenhouse effect?

 

Q13. What are the main gases that cause acid rain?

 

Q14. Where are chlorofluorocarbons used?

 

Q15. What are the major pollutants of air?

 

Q16. What air pollutants are released by motor vehicles?

 

Q17. What is air pollution?

 

Q18. Write one source and one harmful effect of carbon monoxide.

 

Q19. Write one source and one harmful effect of sulphur dioxide.

 

Q20. What is Kyoto Protocol?


Last modified: Thursday, 24 October 2019, 9:32 AM