Crop 041: Crop Protection Question Paper
Crop 041: Crop Protection
Course:Agriculture And Natural Resources
Institution: Kenya Methodist University question papers
Exam Year:2011
KENYA METHODIST UNIVERSITY
END OF 3''RD ''TRIMESTER 2011 EXAMINATIONS
FACULTY : SCIENCE AND TECHNOLOGY
DEPARTMENT : AGRICULTURE AND NATURAL RESOURCES
UNIT CODE : CROP 041
UNIT TITLE : CROP PROTECTION
TIME : 2 HOURS
Instructions:
Read the questions Carefully
Answer ALL questions in SECTION A and any other FOUR in SECTION B.
SECTION A - 30 MARKS.
Question One
What are the categories of crop pests?
(2mks)
What is the estimated loss of agricultural produce in the tropics due to pests?
(1mk)
Name at least seven (7) synthetic pesticides used in Kenya for pest control.
(7mks)
Question Two
Comment briefly on Plant Disease Legislation. (10mks)
Question Three.
Define roguing
(2mks)
How is this practice carried out in a field of infected crops?
(8mks)
SECTION B- 40 MARKS
Question Four.
Name the two methods of classifying insects by the way they feed on plants.
(2mks)
Plants may be resistant to insects due to the following factors:
Mechanical which includes?
(4mks)
Chemical which includes?
(4mks)
Question Five
Define a fungi.
(2mks)
Name any eight common measure of controlling fungal diseases of plants.
(8mks)
Question Six.
Define plant Pathology
(2mks)
Explain briefly the influence of the following environmental conditions on the growth and spread of disease pathogens.
Temperature
(5mks)
Soil and soil fertility
(5mks)
Question Seven.
Define a weed.
(2mks)
What are the general characteristics of annual and perennial weeds? (8mks)
Question Eight
Discuss the regal control of plant pests. (10mks)
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