Environmental Science and Ecology - Single MCQs (Page 2)

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Q11. Maximum bioconcentration of pesticide residues is usually found in birds that ex...Q12. Which important green house gas other than methane is being produced from the ag...Q13. Sound becomes hazardous noise pollution at level...Q14. The main cause of water pollution is...Q15. CFC are not recommended to be used in refrigerators because they...Q16. Sewage water can be purified for recycling with the action of...Q17. Smog is a common pollutant in places having...Q18. Which of the following is not an air pollutant...Q19. Green house effect means...Q20. The major source of noise pollution, world wide is due to...