Environmental Pollution and Human Health — DU B.Sc. (Hons.) Environmental Science Previous Year Question Papers

Environmental Pollution and Human Health B.Sc. (Hons.) Environmental Sciences I. (a) Write short notes o-n the following i. AQI ii. Eutrophication iii, Soil sa]inization iv. Radioactive decay v. Acid mine drainage (b) Fill in the blanks i. ii. iv. v. Noi,se intensity is measured in .................. Radioactive decay follows a.characteristic ................ iii. Hydrophobic po]]utants are also called .................. pollutants. Coral reefs are highly sensitive to .................. changes. Activated sl[rdge process is used in ........................ treatment. 2. Write short notes on any three of the following i. ii. Explain the fonnation of photochemical sinog. What are water quality parameters iii. Role o.f chelating agents in pollution jv. Explain causes and effects of marine pollution. 3. (a) Discuss classification of water pollutants. (8) (b) Briefly discuss the major sources of soil pollution. (7) 4. (a) Describe biotransformation and bioaccumulation with appropriate examples. (8) (b) Explain the classes of water based on standards given by CPCB. 5. (a) Discuss the effects of primary air pollutants on human health. (10) (b) Briefly explain how the hydrophilic pollutants can be harmful to humans. (5) (a) Critically analyze the attempts that were made to reduce the Water Pollution in the major rivers of India and suggest the possible solution to address the problem in the long run. (15)