Description
Bachelor’s Degree Programme
(BSCG)
BZYET143: INSECT VECTORS AND VECTOR BORNE DISEASES
Valid from 1st January, 2025 to 31st December, 2025
ASSIGNMENT
(Tutor Marked Assignment)
Course Code: BZYET-143
Assignment Code: BZYET-143/TMA/2025
Maximum Marks: 100
Note: Attempt all questions. The marks for each question are indicated against it.
1.
2.
3.
4.
5.
6.
7.
8.
Which structural, developmental and behavioristic characteristics make
insects highly successful organisms on Earth? Explain.
Write short notes on the following:
i)
ii)
iii)
iv)
Mouthpart modifications in insects
Types of antennae in insects
Leg modification in insects
Typical structure of the wing
Discuss the reproduction and metamorphosis in insects.
Distinguish between the following insect orders based on the clue given in
parentheses.
i)
ii)
iii)
iv)
a)
b)
Mallophaga and Anoplura (Mouth parts)
Heteroptera and Homoptera (Forewings)
Diptera and Strepsiptera (Reduced wings)
Isoptera and Hymenoptera (Joining of thorax and abdomen)
Explain vector-pathogen relationship.
Differentiate between:
i)
ii)
Propagative Transmission and Cyclopropagative Transmission
Cyclodevelopmental Transmission and Vertical Transmission
Name four insect orders which are of medical importance. Write at least one
conspicuous feature and three examples of each order.
Explain the epidemiology of malarial parasite.
Draw a labeled diagram of:
(10)
(10)
(10)
(10)
(5)
(5)
(10)
(10)
(3+3+4)
a)
b)
c)
9.
Life cycle of Aedes mosquito
Dengue transmission Cycle
Zika Transmission Cycle
Write short notes on:
a)
b)
Traps used for controlling houseflies
Cultural control of Musca
(10)
3
c)
Chemical control of housefly
d)
Myiasis
10. a) Explain the concept of Integrated Vector Management.
b)
How can the disease vectors be genetically manipulated to reduce
their population?
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