Sericulture Sample Questions Papers

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Sample Questions Papers on Sericulture

1. Ideal pH of soil for Mulberry is in the range of
(a) 8.5 – 9.5
(b) 6.8 – 7.5
(c) 3.5 – 4.5
(d) 10.5 – 12.3

2. Acidic soil can be rectified by application of
(a) Bleaching
(b) Gypsum
(c) Lime
(d) RKO

3. For rainfed Mulberry cultivation, applications of FYM per Pit is at the rate of
(a) 5Kg
(b) 1Kg
(c) 3Kg
(d) 4Kg

4. Requirement of FYM/Ha/Yr in an irrigated Mulberry cultivation is
(a) 20TM
(b) 40 MT
(c) 10MT
(d) 35 MT

5. In rainfed Mulberry cultivation requirement of NPK/Ha/Yr in Kg is
(a) 100:50:50
(b) 250:100:100
(c) 300:150:150
(d) 350:100:100

6. Mulberry Production per unit area can be enhanced by
(a) Fernigation
(b) Fertigation
(c) Fermentation
(d) Fertilization

7. Intensive cultivation, mechanization and quality leaf Production is possible only under
(a) Conventional condition
(b) Rainfed condition
(c) Irrigated condition
(d) Traditional condition

8. Mulberry variety recommended for alkaline soil is
(a) AR 12
(b) S13
(c) V1
(d) Tr10

9. In an irrigated Mulberry cultivation practices, recommended dose of FYM per Hatare per year is
(a) 50 tons
(b) 30 tons
(c) 20 tons
(d) 40 tons

10. No. of Mulberry accommodated by Ha of land using a spacing of 90cm x 90cm is
(a) 12345
(b) 13245
(c) 14325
(d) 15432

11. With good management, Mulberry gives good leaf yield up to
(a) 5-10 yrs
(b) 10-15yrs
(c) 15-20yrs
(d) 20-30yrs

12. Apply fertilizers based on
(a) Fertility of soil
(b) Texture of soil
(c) Topography
(d) Soil testing

13. Type of Mulberry leaf harvest is closely related with types of
(a) Pruning
(b) Rearing
(c) Variety of Plant
(d) Fertilizer

14. After harvesting, the duration of Mulberry leaf preservation for feeding must be limited to
(a) 24hrs
(b) 10hrs
(c) 13hrs
(d) 12hrs

15. Ideal time for leaf harvesting is cooler hours of the day with an objective of conserving
(a) Chlorophyll
(b) Viscosity
(c) Moisture
(d) Sulphur

16. Ideal age of leaves harvesting for IV & V instar Mulberry Silkworm larvae is
(a) 20-30days
(b) 50-60days
(c) 30-40days
(d) 70-80days

17. Leaf maturity is assessed in two ways by
(a) Total no leaf in a shoot and internodal distance
(b) Leaf surface area and shape
(c) Colour and texture of the leaf
(d) Total growth period and position of leaf on the shoot

18. Nutritive value of Mulberry leaf decreases with
(a) Position of leaf as it goes down from top to bottom
(b) Position of leaf as it goes up from bottom to top
(c) Position of leaf as it exposed to the sun
(d) None of these

19. Method adopted for Plucking the correct leaves for Chawki worm is
(a) Largest glossy leaf method
(b) Smallest glossy leaf method
(c) Basal leaf method
(d) Apical leaf method

20. For Silkworm rearing, Practical limit of the withering of leaf is within
(a) 20%
(b) 10%
(c) 30%
(d) 40%

21. The consumption of leaf by the worms changes in accordance with
(a) Variety of leaf
(b) Colour of leaf
(c) Size of the leaf
(d) Moisture content of the leaf

22. Under tropical condition best time for leaf Plucking is
(a) Morning
(b) Evening
(c) Night
(d) Noon

23. While preserving Plucked leaves of large quantity periodic turning of leaves is suggested to avoid
(a) Admixture
(b) Ant attack
(c) Fermentation
(d) Chlorosis

24. Usage of Paraffin paper during young age silkworm rearing aims at
(a) Preservation of moisture
(b) Preservation of silk gland
(c) Preservation of Co2
(d) Preservation of O2

25. The Cocoon produced by wild variety of Eri Silkworm is
(a) Red
(b) White
(c) Yellow
(d) Blue

26. As far as Oaks are concerned, the best time for pruning is
(a) August – September
(b) June – July
(c) November – January
(d) September – October

27. Any plant that is growing where it is not wanted is
(a) Shrub
(b) Weed
(c) Tree
(d) Bush

28. Importance of Potash as a fertilizer is to increase
(a) Branching system
(b) Disease resistance
(c) Rooting system
(d) Leaf area

29. In shoot rearing system, clipping the terminal buds just a week prior to shoot harvest is recommended for
(a) 1st and 2nd instar
(b) 1st and 3rd instar
(c) 4th and 5th instar
(d) 2nd and 4th instar

30. Secondary food plant of Muga silkworm
(a) Morus alba
(b) Ricinus communis
(c) Heteropanax fragrans
(d) Litsea salicifolia

31. For Chawki management, out of the total Muga food plant, _________ may be assigned for Chawki Plot
(a) 40%
(b) 50%
(c) 20%
(d) 30%

32. One hectare is considered as an economic unit for
(a) Silk weaving
(b) Cocoon production
(c) By product generation
(d) Reeling unit

33. To rear 1dfl of bivoltine hybrid, _________ kgs of leaves are required.
(a) 8-10
(b) 10-12
(c) 12-15
(d) 15-18

34. Drip irrigation is precise application of water to the
(a) Leaf zone
(b) Root zone
(c) Stem zone
(d) None of the above

35. Acceptable limits for water quality suspended particles(ppm) for drip irrigation is
(a) <50
(b) >50
(c) <40
(d) >40

36. Pecentage of ensured wetting of effective root system for drip irrigation is
(a) 90%
(b) 70%
(c) 65%
(d) 50%

37. Normal operating pressure for drip irrigation is
(a) 10-15m
(b) 20-25m
(c) 25-30m
(d) 30-35m

38. Man-days required during one year for cultivation and maintenance of 1 haet of mulberry garden under rainfed condition is estimated
(a) 350
(b) 450
(c) 550 A
(d) 650

39. Manually one person can prepare 1500-2000 cutting in one day while mulberry cutting machine, designed and developed by CSR&TI, CSB Mysore can prepare _________ in 8 hours
(a) 12000-16000 cuttings
(b) 22000-26000 cuttings
(c) 32000-36000 cuttings
(d) 40000-50000 cuttings

40. Profitability from Sericulture largely depends on the production of mulberry leaf and its conversion to
(a) Pupa
(b) Yarn
(c) Cocoon
(d) Sericin

41. Harvested leaf is covered with wet gunny cloth in summer to check
(a) Fermentation
(b) Driage
(c) Temperature
(d) Humidity

42. Sericulture is a labour intensive agro-industry ideally suited to solve problem of
(a) Literacy
(b) Human health
(c) Education
(d) Unemployment

43. Manipulation of nutritional and ecological conditions to obtain maximum growth and care to raise robust and healthy batch of young silkworms is obtained in a place called
(a) Grainage
(b) Chawki centre
(c) Mounting Hall
(d) P-1 station

44. Floor area required to rear 100dfls of Multivoltine X Bivoltine hybrid is
(a) 150 sqft
(b) 200 sqft
(c) 300 sqft
(d) 360 sqft

45. After one month of germination, apply NPK @ _________ kg/ha to Castor plants
(a) 125:75:25
(b) 60:40:20
(c) 300:120:120
(d) 100:50:50

46. Methodical removal of branches in mulberry to provide sturdy frame and to give a continuous spurt to the plant to produce new foliage resulting in improving the leaf yield is called.
(a) Mulching
(b) Polarding
(c) Pruning
(d) Trimming

47. After 24hrs of moulting Muga worms along with the leaves should be sprayed
(a) 3% Bleaching powder
(b) 0.3% Slaked lime
(c) 0.02% Sodium Hypochloride
(d) 2% Formalin

48. Pupal diapause is found in
(a) Mulberry Silkworm
(b) Eri Silkworm
(c) Tasar Silkworm
(d) Both (b) & (c)

49. Which of the followings is a bivoltine pure race
(a) Nistari, NB4D2, Pure Mysore
(b) Kalimpong-A, NB18, NB4D2
(c) Pure Mysore, NB18, CSR2
(d) CSR2, Kalimpong-A, Nistari

50. Young silkworms are more resistant to
(a) High temperature, high humidity and bad ventilation
(b) High temperature, low humidity and bad ventilation
(c) Low temperature, low humidity and good ventilation
(d) Low temperature, high humidity and good ventilation