Wildlife And Natural Resources Question Paper

Wildlife And Natural Resources

Course:Bachelor Of Environmental Studies

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
ENVIRONMENTAL SCIENCE

ENS 337:
WILDLIFE AND NATURAL RESOURCES

DATE:
Monday 28th December, 2009
TIME: 8.00 a.m -10.00 a.m

INSTRUCTIONS
Answer Question ONE and any other THREE.

1a)
Name five natural resources that are exploited for socio0eceonomic development in

Kenya.

(5 marks)
b)
Explain hoe wildlife resources contribute to Kenya’s economy.

(3 marks)
c)
Outline the chief causes of extinction
in
animals.
(5
marks)
d)
Briefly explain how the concept of the “ tragedy of the commons” can be illustrated

in exploitation of water resources.

(7 marks)
e)
Outline three multilateral environmental agreements to which Kenya is a signatory

and briefly explain how they contribute to the utilization of the named natural

resources.

(5 marks)
2.
State and discuss eight environmental services performed by natural ecosystems as
they
process
energy
and
circulate
matter.
(15
marks)
3.
Outline the five attributes of desirable natural enemies used in biological control and

state five general rules of releasing biological control agents in the environment.

(15 marks)
4.
Using example of three invasive plant species, discuss how alien invasive species can
be
controlled
at
a
local
level.
(15
marks)
5.
Discuss with examples from Kenya five major consequences of deforestation of water

catchments

(15 marks)
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