Get premium membership and access revision papers, questions with answers as well as video lessons.

Vector And Rodent Control Question Paper

Vector And Rodent Control

Course:Bachelor Of Science In Environmental Health

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN ENVIRONMENTAL HEALTH
HEH 212: VECTOR AND RODENT CONTROL
DATE: Friday 3rd April, 2009 TIME: 8.00 a.m. – 10.00 a.m.
=====================================================================================
INSTRUCTIONS
1. Answer ALL questions in Section ONE. In Section TWO, answer question
ONE and any other TWO.
2. Please write your answer LEGIBLY.
3. Exam duration is 2 hours.

SECTION ONE
1. Giving examples, briefly define the following:
a) Pest [1 mark]
b) Vermin [1 mark]
c) Vector [1 mark]
d) Rodent [1 mark]
e) Larvicide [1 mark]

2. List five signs of rodent infestation. [5 marks]

3. State four common characteristics arthropods exhibit. [4 marks]

4. Discuss why rodents and vectors should be controlled. [6 marks]

SECTION TWO
1.a) Giving examples, differentiate between complete and incomplete
metamorphosis. [5 marks]

b)Using relevant examples, briefly explain the following modes of disease
transmission by insect vectors. [15 marks]
i. Biological transmission
ii. Mechanical transmission

2. a) Compare and contrast the characteristics of mice and rats. [5 marks]

b) Briefly discuss the most appropriate methods that can be used to control
rodents. [5 marks]

c) State five main features that an ideal rodenticide should meet.[5 marks]

3. Describe the bionomics of THREE of the following vectors and state ways in
which they can be controlled. [15 marks]
a) Mosquito
b) Cockroach
c) Tsetse fly
d) Housefly
e) Ticks

4. “Integrated Pest Management (IPM) is a sustainable approach in managing pests
by combining biological, chemical, cultural and physical tools in a way that
minimizes economic, health and environmental risks”. Discuss this statement.
[15 marks]

Vector And Rodent Control Question Paper

More Question Papers

Popular Exams