11Acid rain is mainly caused by:ACarbon monoxideBSulphur dioxide and nitrogen oxidesCOxygenDWater vapourView AnswerDiscussWorkspaceReportSaveEasy
12Which gas is released from paddy fields and cattle and is a strong greenhouse gas?AMethaneBHeliumCOxygenDNitrogenView AnswerDiscussWorkspaceReportSaveEasy
13The 'Chipko Movement' was related to:AStopping damsBSaving treesCCleaning riversDSaving tigersView AnswerDiscussWorkspaceReportSaveEasy
14Organisms that break down dead matter are called:AProducersBHerbivoresCCarnivoresDDecomposersView AnswerDiscussWorkspaceReportSaveEasy
15Biodiversity hotspots in India include:AThe Western Ghats and the HimalayaBThe Gangetic plains onlyCThe Deccan Plateau onlyDThe Thar Desert onlyView AnswerDiscussWorkspaceReportSaveEasy