SERICULTURE- PAGE 1
1. During silkworm egg production the parents of commercial layings are produced in which station
A:-P1 station
B:-P2 station
C:-P3 station
D:-P4 station
Ans: A
2. In a grainage the equipment used at time of oviposition
A:-Acid treatment batch
B:-Cellule
C:-Chopstick
D:-Rotary mountage
Ans: B
3. Which statement is correct for the identification of male larvae from the female?
A:-Presence of ishiwatas gland in male
B:-Presence of herolds gland in male
C:-Presence of ''X'' marking in male
D:-Large size head in male
Ans: B
4. Which state is the major producers of silk textiles in India?
A:-Karnataka
B:-Tamilnadu
C:-Assam
D:-West Bengal
Ans: A
5. For rainfed mulberry cultivation plant spacing 90 cm × 90 cm, calculate number of mulberry plans required for 1 hector area
A:-4938
B:-9876
C:-1234
D:-12345
Ans: D
6. If fertilizer recommendation is 300 : 120 : 120, calculate the amount of urea required for 1 hector mulberry garden
A:-1500 kg
B:-500 kg
C:-652 kg
D:-260 kg
Ans: C
7. Number of cocoons in 1 kg is 560
Pierced cocoon - 5, double cocoons - 15, flimsy cocoons - 8, malformed cocoons - 4
Calculate the cocoon percentage
A:-5.7%
B:-90.4%
C:-85%
D:-94.3%
Ans: D
8. Pollination in mulberry is
A:-Hydrophily
B:-Anemophily
C:-Zoophily
D:-Entomophily
Ans: B
9. ________ is a commonly used root hormone for propagating mulberry plant.
A:-Ethylene
B:-Gibberellins
C:-IAA
D:-Abscisic acid
Ans: C
10. Calculate the amount of MOP (K = 60%) for 1 hector rainfed mulberry garden. If the fertilizer recommendation is 120 : 60 : 60 kg NPK/ha
A:-100 kg
B:-200 kg
C:-652 kg
D:-300 kg
Ans: A
11. 'Voltinism' is referred on the basis of
A:-Geographical distribution
B:-Number of larval moulting
C:-Number of generation per year
D:-None of these
Ans: C
12. During silk test which test is done to evaluate the evenness, cleanness and neatness defects of raw silk?
A:-Size test
B:-Cohesion test
C:-Tenacity and elongation test
D:-Seriplane test
Ans: D
13. Ram Nagar is the famous cocoon market in Asia. Where is its located?
A:-Tamil Nadu
B:-West Bengal
C:-Karnataka
D:-Assam
Ans: C
14. 'Indian Silk' is the complete sericulture and silk industry journal of India, published since 1962. It is published by
A:-SERIFED
B:-NSP
C:-CSR and TI
D:-CSB
Ans: D
15. Example for a phosphate solubilizing microbial bio-fertilizer
A:-Seriphose
B:-Seriboost
C:-Ankush
D:-Single superphosphate
Ans: A
16. Serious pest of mulberry plant is
A:-Tukra
B:-Bihar hairy caterpillar
C:-Uzifly
D:-Dermistid beetle
Ans: B
17. Bombyx mori complete their life cycle within
A:-60-65 days
B:-3 weeks
C:-90 days
D:-30-35 days
Ans: A
18. Cocoon weight of `"CSR_2"` races of silkworm is ranging from
A:-3.3-3.5 g
B:-1.3-1.5 g
C:-2.5-2.9 g
D:-1.8-1.9 g
Ans: D
19. Bacterial disease of mulberry plant
A:-Leaf rust
B:-Leaf spot
C:-Powdery mildew
D:-Root rot
Ans: B
20. "Sampoorna' is used for
A:-To trap and kill uziflies
B:-Bed disinfectant to prevent silkworm diseases
C:-Uniform maturation of silkworms
D:-Micro nutritional foliary spray for mulberry
Ans: C
21. Example for room disinfectant used in rearing house
A:-Ankush
B:-Bleaching powder
C:-Vijetha power
D:-RKO power
Ans: B
22. Raw silk percentage of CSR races ranges from
A:-23-25
B:-26-29
C:-Above 60%
D:-18-20
Ans: C
23. Central Silk Board is the central authority to deal with sericulture activities in India. Where is its headquarters located?
A:-Bangalore
B:-Mysore
C:-New Delhi
D:-Chennai
Ans: A
24. Mulberry belongs to the family
A:-Malvaceae
B:-Apcoynaceae
C:-Rubiaceae
D:-Moraceae
Ans: D
25. Food plant of Muga Silkworm is
A:-Mulberry
B:-Som and Soalu
C:-Castor
D:-Asan and Arjun
Ans: B
26. Study of mulberry cultivation
A:-Sericulture
B:-Pisciculture
C:-Apiculture
D:-Moriculture
Ans: D
27. Scientific name of mulberry silkworm
A:-Bombyx Mori
B:-Antheraea Mylitta
C:-Philosamia Ricini
D:-Antheraea Assamensis
Ans: A
28. Use of silk was discovered by
A:-India
B:-Brazil
C:-China
D:-Sri Lanka
Ans: C
29. The protozoan diseases of silkworm
A:-Muscardine
B:-Pebrine
C:-Grasserie
D:-Flacherie
Ans: B
30. The number of kilograms of cocoons required to obtain 1 kg reeled silk is called
A:-Shell ratio
B:-Kakame cost
C:-Denier
D:-Renditta
Ans: D
31. Example for high yielding mulberry variety for Rainfed condition
A:-VI
B:-`"S_{54}"`
C:-`"S_{13}"`
D:-`"S_{36}"`
Ans: C
32. In South India mulberry propagation is mainly through which method?
A:-Budding
B:-Cuttings
C:-Grafting
D:-Layering
Ans: B
33. Diploid chromosome number of mulberry plant
A:-28
B:-24
C:-54
D:-56
Ans: A
34. Rearing of silkworm for obtaining silk is called
A:-Sericulture
B:-Silviculture
C:-Moriculture
D:-Apiculture
Ans: A
35. Silk obtained from
A:-Pupa
B:-Larva
C:-Cocoon
D:-Moth
Ans: C
36. Which is not a silkworm seed?
A:-`"BL_{23}"`
B:-`"BL_{24}"`
C:-`"NB_4 D_2"`
D:-`"S_{34}"`
Ans: D
37. Fertilizer recommendation for irrigated mulberry cultivation
A:-140:55:275
B:-225:75:75
C:-300:120:120
D:-400:200:400
Ans: C
38. 'SERIBOOST' is used for
A:-Enhancing mulberry leaf foliage
B:-Room disinfectant
C:-Bed disinfectant
D:-Silk enhancing hormone
Ans: A
39. Industrial Seed of Silkworm (DFLs) are produced in
A:-Hatcheries
B:-Breeding station
C:-Breeding centers
D:-Grainage
Ans: D
40. Which among the following is an animal fiber?
A:-Polyester
B:-Silk
C:-Cotton
D:-Jute
Ans: B
41. Given below is a sequence of steps in the processing of reeling. Which are the missing steps. Stifling __________reeling ____________?
A:-Cooking, re-reeling
B:-Lacing, cooking
C:-Sorting, brushing
D:-Lacing, skeining
Ans: A
42. What is mean by CSR and TI?
A:-Central Silk Research and Training Institute
B:-Central Sericulture Research and Training Institute
C:-Central Silkworm Research and Training Institute
D:-Central Sericultural Research and Training Institute
Ans: D
43. Scientific and commercial method of bee keeping for production of honey and wax is called
A:-Sericulture
B:-Apiculture
C:-Moriculture
D:-Silviculture
Ans: B
44. Agronomic research station situated at
A:-Vazhakkulam
B:-Vyttila
C:-Chalakkudy
D:-Anakkayam
Ans: C
45. Which is not a variety of silk?
A:-Eri
B:-Ruby
C:-Muga
D:-Tasar
Ans: B
46. A vertical section of the soil from surface to the bedrock showing the various layers is termed as
A:-Soil texture
B:-Soil structure
C:-Pore space
D:-Soil profile
Ans: D
47. In India the purity of silk ensures through the trade mark
A:-ISI mark
B:-Agmark
C:-Silk mark
D:-Seri mark
Ans: C
48. The unit used to measure the thickness of silk filament
A:-Denier
B:-Renditta
C:-Micron
D:-MM
Ans: A
49. Name any one straight fertilizer that may be applied to mulberry for supply of nitrogen
A:-Pottash
B:-Single super phosphate
C:-Urea
D:-Ammonium phosphate
Ans: C
50. Which is not a silkworm disease?
A:-Grasserie
B:-Powdery mildew
C:-Flacherie
D:-Muscardine
Ans: B
A:-P1 station
B:-P2 station
C:-P3 station
D:-P4 station
Ans: A
2. In a grainage the equipment used at time of oviposition
A:-Acid treatment batch
B:-Cellule
C:-Chopstick
D:-Rotary mountage
Ans: B
3. Which statement is correct for the identification of male larvae from the female?
A:-Presence of ishiwatas gland in male
B:-Presence of herolds gland in male
C:-Presence of ''X'' marking in male
D:-Large size head in male
Ans: B
4. Which state is the major producers of silk textiles in India?
A:-Karnataka
B:-Tamilnadu
C:-Assam
D:-West Bengal
Ans: A
5. For rainfed mulberry cultivation plant spacing 90 cm × 90 cm, calculate number of mulberry plans required for 1 hector area
A:-4938
B:-9876
C:-1234
D:-12345
Ans: D
6. If fertilizer recommendation is 300 : 120 : 120, calculate the amount of urea required for 1 hector mulberry garden
A:-1500 kg
B:-500 kg
C:-652 kg
D:-260 kg
Ans: C
7. Number of cocoons in 1 kg is 560
Pierced cocoon - 5, double cocoons - 15, flimsy cocoons - 8, malformed cocoons - 4
Calculate the cocoon percentage
A:-5.7%
B:-90.4%
C:-85%
D:-94.3%
Ans: D
8. Pollination in mulberry is
A:-Hydrophily
B:-Anemophily
C:-Zoophily
D:-Entomophily
Ans: B
9. ________ is a commonly used root hormone for propagating mulberry plant.
A:-Ethylene
B:-Gibberellins
C:-IAA
D:-Abscisic acid
Ans: C
10. Calculate the amount of MOP (K = 60%) for 1 hector rainfed mulberry garden. If the fertilizer recommendation is 120 : 60 : 60 kg NPK/ha
A:-100 kg
B:-200 kg
C:-652 kg
D:-300 kg
Ans: A
11. 'Voltinism' is referred on the basis of
A:-Geographical distribution
B:-Number of larval moulting
C:-Number of generation per year
D:-None of these
Ans: C
12. During silk test which test is done to evaluate the evenness, cleanness and neatness defects of raw silk?
A:-Size test
B:-Cohesion test
C:-Tenacity and elongation test
D:-Seriplane test
Ans: D
13. Ram Nagar is the famous cocoon market in Asia. Where is its located?
A:-Tamil Nadu
B:-West Bengal
C:-Karnataka
D:-Assam
Ans: C
14. 'Indian Silk' is the complete sericulture and silk industry journal of India, published since 1962. It is published by
A:-SERIFED
B:-NSP
C:-CSR and TI
D:-CSB
Ans: D
15. Example for a phosphate solubilizing microbial bio-fertilizer
A:-Seriphose
B:-Seriboost
C:-Ankush
D:-Single superphosphate
Ans: A
16. Serious pest of mulberry plant is
A:-Tukra
B:-Bihar hairy caterpillar
C:-Uzifly
D:-Dermistid beetle
Ans: B
17. Bombyx mori complete their life cycle within
A:-60-65 days
B:-3 weeks
C:-90 days
D:-30-35 days
Ans: A
18. Cocoon weight of `"CSR_2"` races of silkworm is ranging from
A:-3.3-3.5 g
B:-1.3-1.5 g
C:-2.5-2.9 g
D:-1.8-1.9 g
Ans: D
19. Bacterial disease of mulberry plant
A:-Leaf rust
B:-Leaf spot
C:-Powdery mildew
D:-Root rot
Ans: B
20. "Sampoorna' is used for
A:-To trap and kill uziflies
B:-Bed disinfectant to prevent silkworm diseases
C:-Uniform maturation of silkworms
D:-Micro nutritional foliary spray for mulberry
Ans: C
21. Example for room disinfectant used in rearing house
A:-Ankush
B:-Bleaching powder
C:-Vijetha power
D:-RKO power
Ans: B
22. Raw silk percentage of CSR races ranges from
A:-23-25
B:-26-29
C:-Above 60%
D:-18-20
Ans: C
23. Central Silk Board is the central authority to deal with sericulture activities in India. Where is its headquarters located?
A:-Bangalore
B:-Mysore
C:-New Delhi
D:-Chennai
Ans: A
24. Mulberry belongs to the family
A:-Malvaceae
B:-Apcoynaceae
C:-Rubiaceae
D:-Moraceae
Ans: D
25. Food plant of Muga Silkworm is
A:-Mulberry
B:-Som and Soalu
C:-Castor
D:-Asan and Arjun
Ans: B
26. Study of mulberry cultivation
A:-Sericulture
B:-Pisciculture
C:-Apiculture
D:-Moriculture
Ans: D
27. Scientific name of mulberry silkworm
A:-Bombyx Mori
B:-Antheraea Mylitta
C:-Philosamia Ricini
D:-Antheraea Assamensis
Ans: A
28. Use of silk was discovered by
A:-India
B:-Brazil
C:-China
D:-Sri Lanka
Ans: C
29. The protozoan diseases of silkworm
A:-Muscardine
B:-Pebrine
C:-Grasserie
D:-Flacherie
Ans: B
30. The number of kilograms of cocoons required to obtain 1 kg reeled silk is called
A:-Shell ratio
B:-Kakame cost
C:-Denier
D:-Renditta
Ans: D
31. Example for high yielding mulberry variety for Rainfed condition
A:-VI
B:-`"S_{54}"`
C:-`"S_{13}"`
D:-`"S_{36}"`
Ans: C
32. In South India mulberry propagation is mainly through which method?
A:-Budding
B:-Cuttings
C:-Grafting
D:-Layering
Ans: B
33. Diploid chromosome number of mulberry plant
A:-28
B:-24
C:-54
D:-56
Ans: A
34. Rearing of silkworm for obtaining silk is called
A:-Sericulture
B:-Silviculture
C:-Moriculture
D:-Apiculture
Ans: A
35. Silk obtained from
A:-Pupa
B:-Larva
C:-Cocoon
D:-Moth
Ans: C
36. Which is not a silkworm seed?
A:-`"BL_{23}"`
B:-`"BL_{24}"`
C:-`"NB_4 D_2"`
D:-`"S_{34}"`
Ans: D
37. Fertilizer recommendation for irrigated mulberry cultivation
A:-140:55:275
B:-225:75:75
C:-300:120:120
D:-400:200:400
Ans: C
38. 'SERIBOOST' is used for
A:-Enhancing mulberry leaf foliage
B:-Room disinfectant
C:-Bed disinfectant
D:-Silk enhancing hormone
Ans: A
39. Industrial Seed of Silkworm (DFLs) are produced in
A:-Hatcheries
B:-Breeding station
C:-Breeding centers
D:-Grainage
Ans: D
40. Which among the following is an animal fiber?
A:-Polyester
B:-Silk
C:-Cotton
D:-Jute
Ans: B
41. Given below is a sequence of steps in the processing of reeling. Which are the missing steps. Stifling __________reeling ____________?
A:-Cooking, re-reeling
B:-Lacing, cooking
C:-Sorting, brushing
D:-Lacing, skeining
Ans: A
42. What is mean by CSR and TI?
A:-Central Silk Research and Training Institute
B:-Central Sericulture Research and Training Institute
C:-Central Silkworm Research and Training Institute
D:-Central Sericultural Research and Training Institute
Ans: D
43. Scientific and commercial method of bee keeping for production of honey and wax is called
A:-Sericulture
B:-Apiculture
C:-Moriculture
D:-Silviculture
Ans: B
44. Agronomic research station situated at
A:-Vazhakkulam
B:-Vyttila
C:-Chalakkudy
D:-Anakkayam
Ans: C
45. Which is not a variety of silk?
A:-Eri
B:-Ruby
C:-Muga
D:-Tasar
Ans: B
46. A vertical section of the soil from surface to the bedrock showing the various layers is termed as
A:-Soil texture
B:-Soil structure
C:-Pore space
D:-Soil profile
Ans: D
47. In India the purity of silk ensures through the trade mark
A:-ISI mark
B:-Agmark
C:-Silk mark
D:-Seri mark
Ans: C
48. The unit used to measure the thickness of silk filament
A:-Denier
B:-Renditta
C:-Micron
D:-MM
Ans: A
49. Name any one straight fertilizer that may be applied to mulberry for supply of nitrogen
A:-Pottash
B:-Single super phosphate
C:-Urea
D:-Ammonium phosphate
Ans: C
50. Which is not a silkworm disease?
A:-Grasserie
B:-Powdery mildew
C:-Flacherie
D:-Muscardine
Ans: B
51. Accurate temperature and humidity should be maintained in the rearing room for proper development of silkworm larvae. Name the equipment used for measuring temperature and humidity.
A:-Hydrometer
B:-Lactometer
C:-Thermometer
D:-Hygrometer
Ans: D
52. Which machine you may prefer for reeling low quality cocoon and double cocoon?
A:-Charkha
B:-Cottage basin
C:-Multi end reeling machine
D:-Automatic reeling machine
Ans: A
53. Pepper like black spots appearing the surface infected silkworm is the symptom of which diseases
A:-Grasserie
B:-Muscardine
C:-Pebrine
D:-Gattine
Ans: C
54. Process of unwinding of silk filament from the cocoon with the help of reeling machine is called
A:-Reeling
B:-Skeining
C:-Stifling
D:-Riddling
Ans: A
55. Dupion silk obtained from
A:-Calcified cocoon
B:-Good cocoon
C:-Pre-mature cocoon
D:-Double cocoon
Ans: D
56. Fungal disease of Bombyx Mori
A:-Pebrine
B:-Muscardine
C:-Grasserie
D:-Flacherie
Ans: B
57. Foundation stock seeds of silkworm eggs produced in which station?
A:-P1 station
B:-P4 station
C:-P2 station
D:-P3 station
Ans: C
58. Silkworm are font of which light
A:-dim light
B:-darkness
C:-strong light
D:-strong light by dim light
Ans: A
59. Causative organism of bacterial leaf spot disease of mulberry plant
A:-Peridospora mori
B:-Pseudomonas mori
C:-Phyllactinia corylea
D:-Fusarium solani
Ans: B
60. `"CSR_2"` * `"CSR_4"` is a hybrid variety of silkworm. The colour of cocoon is
A:-White
B:-Pink
C:-Green
D:-Yellow
Ans: A
61. A local variety of mulberry plant which is low yielding but needs less fertilizer and irrigation
A:-Victory-1
B:-`"S_{36}"`
C:-Mysore local
D:-Viswa
Ans: C
62. Diploid chromosome number of Bombyx Mori
A:-56
B:-54
C:-28
D:-24
Ans: A
63. Causative organism of Flacherie disease of Bombyx mori
A:-Aspergillus
B:-Nuclear polyhedrosis
C:-Beaveria Bassiana
D:-Bacillus bombycis
Ans: D
64. Leaf blight disease of mulberry caused by
A:-Virus
B:-Bacteria
C:-Fungus
D:-Nematode
Ans: B
65. Powdery mildew disease of mulberry plant is caused by
A:-Phyllactina corylea
B:-Cercospora moricola
C:-Mealybug
D:-Meloidoyne Incognita
Ans: A
66. Best suitable soil `"P^H"` for mulberry cultivation is ranging from
A:-8-9.5
B:-9.3-9.8
C:-6.2-6.8
D:-4.7-5.3
Ans: C
67. The Threader used in Charkha reeling machine is called
A:-Croissure
B:-Tharppati
C:-Jettebout
D:-Porcelain button
Ans: B
68. Branch of agricultural science dealing with the principles and practices of field crop
A:-Horticulture
B:-Soil science
C:-Agricultural entomology
D:-Agronomy
Ans: D
69. Acid treatment is used to break the diapauses of silkworm eggs. Which acid is used for acid treatment?
A:-Sulfuric acid
B:-Acetic acid
C:-Formic acid
D:-HCL
Ans: D
70. Largest silk producers in the world
A:-Brazil
B:-India
C:-China
D:-Korea
Ans: C