Environmental Science cat 2(2015-2016)

SCHOOL OF ADVANCED SCIENCES Continuous Assessment Test – II, October 2015 Fall Semester, 2015-2016
Course Code	: CHY1002	Duration	: 90 minutes
Course name	: Environmental Science	Max. Marks	: 50
Classnumber	: 6316	Slot	: G1
Faculty name	: U. Vijayalakshmi	School	: SAS
Answer ALL the Questions (10X 5 = 50 Marks)
1.      Name a few important synthetic pesticides and describe in brief about the harmful effect of these pesticides on human and other life forms. 2.      During a formal debate on the hazards of air pollution, one team argues that ozone is helpful to the atmosphere, and the other team argues that it is destructive. Under which conditions is each teams arguments correct? 3.      Even a small amount of a cancer causing chemical in smoking cigarettes tends to generate the greatest public concern? Justify the answer. 4.      Solar energy is popular as compared to conventional energy options. Justify. 5.      What are bio-indicators for identifying pollution? Describe in briefs about the types of bio-indicators. 6.      Next to your village, the government has started to construct a nuclear power plant. Describe safety issues associated with nuclear power plants and risks associated with the storage of radioactive wastes. 7.      List the energy conservation measures you could adopt in each of the following aspects of your life; lighting, bathing, cooking, buying a car and driving a car. 8.      Explain the treatment process which removes about 90% of the biodegradable materials present in the water. 9.      Will it be easier for societies to mitigate climate change by implementing any protocol? Explain your answer. 10.  Discuss the environmental problems caused by using oil and natural gas.