Geog 723: Environmental Pollution Question Paper

Geog 723: Environmental Pollution

Course:Master Of Arts Geography

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS

FIRST YEAR EXAMINATION FOR THE AWARD OF DEGREE OF
MASTER OF ARTS (GEOGRAPHY)

GEOG 723: ENVIRONMENTAL POLLUTION

STREAMS: M.A GEOGRAPHY L1B2 TIME: 3 HOURS

DAY/DATE: THURSDAY 15/8/2013 11.30 A.M. – 2.30 P.M.
INSTRUCTIONS:

Answer question 1 and any other 1 from Section B.

Sketches and diagrams should be used whenever they serve to illustrate the answer.

SECTION A:

Q1. (a) Explain the concept of the biological magnification of pollutants. [5 marks]

(b) What is Biological Oxygen Demand (BOD) and how does it apply in the determination of the environmental quality of a river? [10 marks]

(c) Use examples to explain the difference between point and diffuse sources of water pollution. [7 marks]

(d) Explain the sources of ground water pollution. [8 marks]

SECTION B:

Q2. Discuss the impact of DDT, oil spills and Mercury pollution on ecosystems.[15 marks]

Q3. Propose important strategies of pollution control in a Kenyan County of your choice.
[15 marks]

Q4. (a) Explain the determinant factors that need to be considered in setting water
quality standards. [5 marks]

(b) What are the critical quality parameters for setting water quality standards for drinking, domestic/industrial and environmental uses? [10 marks]

Q5. Discuss the sources and impact of man-made pollutants on the atmosphere. [15 marks]

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