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					      ALLAMA IQBAL OPEN UNIVERSITY, ISLAMABAD
                     (Department of Environmental Science)

                                    WARNING
 1.   PLAGIARISM OR HIRING OF GHOST WRITER(S) FOR SOLVING
      THE ASSIGNMENT(S) WILL DEBAR THE STUDENT FROM AWARD
      OF DEGREE/CERTIFICATE, IF FOUND AT ANY STAGE.
 2.   SUBMITTING ASSIGNMENTS BORROWED OR STOLEN FROM
      OTHER(S) AS ONE’S OWN WILL BE PENALIZED AS DEFINED IN
      “AIOU PLAGIARISM POLICY”.

Course: Environmental Pollution (1422)                           Semester: Autumn, 2011
Level: BA (General)                                                    Total Marks: 100
                                                                         Pass Marks: 40

                             ASSIGNMENT No. 1
                                     (Units: 1–4)

Note: Attempt five questions. All questions carry equal marks.
Q. 1 Describe the concept of “Environment” and explain Atmosphere, Hydrosphere,
     Lithosphere and Biosphere as components of environment.               (20)

Q. 2 Discuss the concept of environmental pollution and explain major types of
     environmental pollution in your own words.                           (20)

Q. 3 Explain indoor air pollution, how indoor air pollution can cause health problems?
     Discuss.                                                                      (20)

Q. 4 Discuss the various types of air pollutants and the possible impacts on human
     health, vegetation and environment in your words.                         (20)

Q. 5 Describe the concept of global warming and discuss the role of green house gasses
     in global warming.                                                           (20)
                               ASSIGNMENT No. 2
                                       (Units: 5–9)

Note: Attempt five questions. All questions carry equal marks.
Q. 1 Discuss the formation and breakdown of the Ozone Shield/Layer in your own
     words. What effort can be done to control the problem of ozone depletion? (20)

Q. 2 What do you understand by the term “soil pollution”. Discuss the factors
     responsible for soil pollution and suggest the possible solution for soil pollution
     problem.                                                                       (20)

Q. 3 Explain the various types and effects of water pollution on environment and human
     being in your own words.                                                      (20)

Q. 4 Define and explain solid waste management, its categorization and disposal
     methods in your own words.                                            (20)

Q. 5 Explain the concept of noise pollution. Discuss the sources, effects of noise pollution,
     and strategies to control noise pollution in our environment.                      (20)




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Description: AIOU Autumn 2011 Semester Assignments DOWNLOAD,