M.Sc. DEGREE EXAMINATION, APRIL 2018
Second Semester
Zoology
Elective — SERICULTURE
(CBCS 2017 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Silk gland.
2. Multivoltine.
3. Moriculture.
4. Bacterial Rot Disease I.
5. Industrial seeds.
6. Breeding stations.
7. Flacherie.
8. Dermestid beetles.
9. Deflossing.
10. Reeling.
Sub. Code
7MZO2E1
AFS-0613
2
Wk 4
Part B x 5 25)
Answer all questions choosing either or
11. Give an account of non-mulberry silkworm.
Or
Explain the sericulture promoting organizations in
India.
12. Explain the seedling propagation methods for
mulberry cultivation.
Or
Write the various methods of irrigation used in
mulberry cultivation.
13. Explain the cellular card method of egg production
and their advantages.
Or
What are the essential equipments and appliances
required for a modern rearing house? Explain.
14. Explain the symptoms and control measures of
various protozoan diseases of Silk worm.
Or
Write the silkworm pests and their control
measures.
15. Give an account on defective cocoons.
Or
Explain Hot-Air stifling method and mention its
advantages and disadvantages.
AFS-0613
3
Wk 4
Part C x 10 30)
Answer any three questions.
16. Describe the morphological and sex differences in larva
and adult Bombyx mori.
17. Discuss the causative organisms, symptoms and control
measures of fungal and viral diseases of mulberry.
18. Describe the disinfection procedures of rearing house and
equipment.
19. Explain the causative organisms, mode of infection,
symptoms and control measures of different fungal
diseases of Silk worm.
20. Give an account various reeling machines used in
filatures.
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