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Environmental Science (Envi 201) Question Paper

Environmental Science (Envi 201)

Course:Environmental Science

Institution: Kenya Methodist University question papers

Exam Year:2012

TIME : 2 HOURS

Instructions: Answer ALL questions in SECTION A and any TWO from SECTION B.
SECTION A
Answer ALL the Questions.
Question One
What is meant by the term "Tragedy of Commons" and state TWO tragedies associated with the hydrosphere.
(3 Marks)
State THREE realizations that led to formation of environmental movement found in the world today.
(3 Marks)
State TWO benefits and TWO consequences of industrial- scientific revolution.
(4 Marks)

Question Two
What is sustainable development?
(2 Marks)
Describe FOUR ways how you as an individual can ensure reduction and efficient consumption of energy.
(4 Marks)
Describe FOUR ways in which water drainage basins are negatively impacted by deforestation.
(4 Marks)

Question Three
Answer the following regarding world human population.
Create a graph of the data from table 1 below.
(2 Marks)
Table 1: Worldwide Total Fertility Rate (TFR).

YEAR
TFR
1950 5.0
1960 4.9
1970 4.7
1980 3.7
1990 3.4
2000 3.0

Identify and discuss TWO of the causes for the trend in the world-wide TFR that you graphed in part (a) above
(4 Marks)
Table 2: Population Data for selected Nations (2005)

COUNTRY
TFR
CRUDE BIRTH RATE
CRUDE DEATH RATE*
INFANT MORTALITY RATE*
PER CAPITA INCOME U.S DOLLARS

CHINA

1.6
12
7
27
6,500

JAPAN

1.3
9
8
28
31,400

KENYA

5.9
43
19
100
1,000

UNITED STATES
2.0
14
8
6.7
42,000
* Rates are per thousand per year.
Consider the data in table 2 above. Identify and discuss TWO economic and TWO societal factors that account for the difference between the TFR of Kenya and that of the United States.
(4 Marks)
SECTION B- 40 MARKS
Answer any TWO Questions.
Question Four
Discuss TEN major consequences Kenya is experiencing due to desertification.

Question Five
Discuss FIVE specific environmental issues relating to the development process in Kenya.
(10 Marks)
Outline TEN practical methods of slowing down global warming.(10 Marks)

Question Six
What is food security and explain how Kenya as a country is moving towards achieving food security?
(10 Marks)

Describe the natural greenhouse effect and explain how greenhouse gases contribute to global warming.
(10 Marks)

Environmental Science (Envi 201) Question Paper

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