ECET: Environmental Chemistry
  
-   Describe the layers of atmosphere: a.Lithosphere b.Hydrosphere c.Biosphere 
-   Define the terms contaminant, pollutant, receptor, sink, particulate 
-   Define biotic components 
-  Describe forest resources and its uses 
-  Define DO,BOD, Threshold limit value,COD 
-   Describe concepts deforestration, airpollution, over exploitation 
-  Water pollution causes, effects and its control measurements 
-  Describe the causes and effects of acid rain green house effect ozone depletion
-  What are renewable and non renewable energy resources
-  Describe ecosystem, producer, consumer and decomposer 
-  Describe Biodiversity and threats to Biodiversity