Download 1422 - Allama Iqbal Open University

ALLAMA IQBAL OPEN UNIVERSITY, ISLAMABAD
(Department of Environmental Science/Biology)
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:
Level:
Environmental Pollution (1422)
BA (General)
Semester: Autumn 2016
Total Marks: 100
Pass Marks: 40
Assignment No. 1
(Unit: 1-4)
Note:
Q.No.1
QNo.2
Q.No.3
Q.No.4
Q.No.5
Attempt all questions. All questions carry equal marks.
Define the concept of pollution. Describe and explain various types of
pollution.
(20)
Write a comprehensive note on the history of environmental pollution.
(20)
Enlist and explain major air pollutants and their effects/impacts on man and
environment.
(20)
Describe and explain anthropogenic (man-made) and natural sources of air
pollutants.
(20)
Explain green house gases their origin and role in global warming.
(20)
Assignment No. 2
(Unit: 5-9)
Total Marks: 100
Pass Marks: 40
Note:
Q.No.1
Q.No.2
Q.No.3.
Q.No.4
Q.No.5
Attempt all questions. All questions carry equal marks.
Discuss the role of chlorofluorocarbons (CFCs) in ozone depletion.
(20)
Write a note on the sources, types and effects of water pollution on man and
environment.
(20)
Enlist and explain some steps/measures for prevention and control of water
pollution.
(20)
Explain the concept of soil pollution and discuss the factors responsible for
soil pollution.
(20)
Define noise pollution. Describe the sources and effects of noise pollution in
your own words.
(20)
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