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Iph2212:Medical Entomology Question Paper

Iph2212:Medical Entomology

Course:Bachelor Of Science In Public Health

Institution: Meru University Of Science And Technology question papers

Exam Year:2010

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INSTRUCTIONS: Answer question one and any other two questions
QUESTION ONE – 30 MARKS
a. Differentiate between an exoskeleton and the endoskeleton. (2 Marks)
b. Define a tagma. (1 Mark)
c. Describe an ovipositor and in what ways is it used? (2 Marks)
d. Describe the basic structures of the insect respiratory system. (2 Marks)
e. Compare the above structures to the ones found in the human respiratory system. (3 Marks)
f. List the different types of mouth parts found in insects and give an example of an insect group that
has each type. (5 Marks)
g. Describe the insect hormone involved in the molting process to be initiated. (1 Mark)
h. Outline parthenogenic reproduction. (1 Mark)
i. Outline one insect that uses the above reproduction type. (1 Mark)
j. Outline the function of the haltave. (1 Mark)
k. State an insect group that is associated with a haltare (1 Mark)
l. Differentiate between complete and incomplete metamorphosis. (5 Marks)
QUESTION TWO – 20 MARKS
a. Outline different types of insect legs. (10 Marks)
b. Describe different ways that insects are beneficial to humans and give one example of an insect for
each of the ways. (10 Marks)
QUESTION THREE – 20 MARKS
a. Discuss the reproductive systems of insects. (5 Marks)
b. State five reasons for the success of insects as a group. (5 Marks)
c. Describe various structures used by insects to hear sounds. (5 Marks)
d. Explain how hearing ability of insects differs from that of humans. (5 Marks)
2
QUESTION FOUR – 20 MARKS
a. How are insects harmful to man? (10 Marks)
b. Draw a labeled diagram of an insect leg. (5 Marks)
c. Outline the respiratory system of the crustaceans. (5 Marks)
QUESTION FIVE – 20 MARKS
Write an essay on class arachnida. (20 Marks)

Iph2212:Medical Entomology Question Paper

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