BZYET-143 INSECT VECTORS AND VECTOR BORNE DISEASES in English Solved Assignment 2022

BZYET-143 INSECT VECTORS AND VECTOR BORNE DISEASES

Solved Assignment 2022

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ASSIGNMENT
INSECT VECTORS AND VECTOR BORNE DISEASES
Course Code: BZYET-143
Assignment Code: BZYET-143/TMA/2022
Maximum Marks: 100

Title Name

BZYET-143 Solved Assignment 2022

University IGNOU
Service Type Solved Assignment (Soft copy/PDF)
Course BSCG
Language ENGLISH
Semester 2022 Course: B.SC(G) CBCS
Session Valid from 1st January, 2022 to 31st December 2022
Short Name BZYCT-143
Assignment Code BZYET-143/TMA/2022
Product Assignment of BSCG 2022 (IGNOU)
Submission Date Valid from 1st January, 2022 to 31st December, 2022

 

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Part-A Maximum Marks: 50
1. “Insects are diverse group of animals that are well adapted to different
anvironments” Justify the statement.
(10)
2. Write short notes on following:
i) Mouthpart modifications in insects
ii) Types of antennae in insects
iii) Typical structure of insect wing
iv) Leg modification in insects
(10)
3. a) Write short note on host parasite interactions and its importance for
public health.
b) What are different adaptations adopted by vectors?
(5)
(5)
4. Write short notes on the following:
i) Prevention of control measures of fleas
ii) Typhus fever
iii) Tunga penetrans
iv) Transmission of plague
(10)
5. Write short notes on the following:
a) Medical importance of lice.
b) Medically important Insect Orders.
(10)
Part-B Maximum Marks: 50
6. a) Describe the life cycle of Anopheles mosquito.
b) Explain the epidemiology of malarial parasite.
(5)
(5)
7. i) Fill in the blanks:
a) Culex-borne diseases can be controlled by killing …….……….. in
their breeding grounds and ……………….. using space
……………… .
b) Stagnant water bodies act as …………….., ……..…………. for
mosquito.
c) Mosquitoes can be controlled genetically by …………..male
technique and ………………… replacement.
d) Mosquito nets used against Culex mosquitoes should not have
………… holes per square inch.
ii) Write two various methods of Culex control.
(8)
(2)
4
8. i) Give differences between the following:
a) Extrinsic incubation period and intrinsic incubation period
b) Transverse and vertical transmission
c) Urban cycle and sylvatic cycle
ii) Draw labeled diagrams of the following:
a) Life cycle of Aedes mosquito
b) Dengue transmission Cycle
(6)
(4)
9. i) Fill in the blanks.
a) The life cycle of Phlebotomus argentipes consists of 4 stages
namely eggs, larva, ………………… and ………………… .
b) Freshly laid eggs of sandflies are creamy white in colour which
gradually turn to ………………… .
c) Sand flies are natives of ………………… climate.
d) Female sand flies feed on a wide variety of …………………
hosts.
e) Prevalence of vector is dependent upon the environmental factors
such as humidity, temperature and …………………. .
ii) Write the ecological factors favourable for the transmission of Kala-azar.
(6)
(4)
10. a) List five control measures that you will take at home to keep the house
flies away.
b) Explain the concept of Integrated Vector Management.

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BZYCT-143, BZYCT 143, BZYCT143

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