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Biological Control Question Paper

Biological Control 

Course:Bachelor Of Environmental Studies

Institution: Kenyatta University question papers

Exam Year:2009



KENYATTA UNIVERSITY
SECOND SEMESTER EXAMINATIONS 2008/2009
UNIVERSITY EXAMINATIONS FOR DEGREE OF BACHELOR OF
ENVIRONMENTAL SCIENCE


ERC 411: BIOLOGICAL CONTROL

DATE: Thursday 9th
April,
2009

TIME : 2.00-4.00pm
------------------------------------------------------------------------------------------------------------


INSTRUCTIONS:

Answer Question ONE and any other THREE
Q1.
a)
Explain the term ā€œBiological Controlā€ and its genesis.
[5Marks]
b)
Explain
five
mechanisms used in Biological pests Control [20 Marks]


Q2.
Discuss the application of the Principle of genetic engineering in Biological

Control.







[15 Marks]







Q3.
Discuss the abuse of organisms in Biological Control.

[15 Marks]

Q4.
Explain environmental effects of Biological Control and suggest possible
mitigation
measures.
[15
Marks]

Q5.
ā€˜ā€˜Integrated pest management is not an environmentally friendly technique of pest
controlā€™ā€™.
Discuss

[15
Marks]




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