Kst 301: Agricultural Entomology Question Paper
Kst 301: Agricultural Entomology
Course:Bachelor Of Science In Agriculture
Institution: Kenyatta University question papers
Exam Year:2016
KENYATTA UNIVERSITY
UNIVERSITY EXAMINATION 2016/2017
FIRST SEMESTER EXAMINATION FOR DEGREE OF BACHELOR OF SCIENCE IN CROP IMPROVEMENT AND PROTECTION, AND BACHELOR OF SCIENCE AGRICULTURE
KST 301: AGRICULTURE ENTOMOLOGY.
DATE: THURSDAY 24TH NOVEMBER 2016. TIME: 11.00 A.M-1.00 P.M
INSTRUCTIONS:
Answer ALL questions in SECTION A and any TWO in SECTION B.
1. Define the following: (5 Marks)
a. Pathogens
b. Pests
c. Parasitoids
d. Mandibulate insects
e. Hemimetabolous
2.Enumerate the characteristics of Class insecta. (5marks)
3.Describe how insect communicate using their antennae. (5marks)
4.Describe the life stages of Phytoseiulus persimilis. (5marks)
5.Green house aid in the management of pest.Discuss (5marks)
6.Distinguish the life stages of Plutella xylostella from Amphis fabae (5 marks)
7.State the damage symptoms one should look for on crops infested by Thrips tabaci. (5 marks)
8.List the attributes that make pest colonize most of the habitat on earth. (5marks)
SECTION B: ANSWER ANY TWO QUESTIONS.
9. Write an essay on ecology, biology, damage and managementof Dysdecus nigrofasciatus (15marks)
10. Write on essay on the agronic practises use in management if anthropods pests (5 marks)
11. Write an essay on ecology, biology, damage and management of Bacrocerav invades. (15marks)
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