Sericulture General Knowledge

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General Knowledge Questions Papers on Sericulture

1. Ghicha is the hand drawn coarse yarn of :
(a) Mulberry
(b) Eri
(c) Tasar
(d) Muga

2. International standard skein should be :
(a) 148 – 150 cm
(b) 150 cm – 155 cm
(c) 155 – 160 cm
(d) 160 – 165 cm

3. Water softener like EDTA, OXYPON, SHMP can be used to soften water only when the hardness of water goes beyond :
(a) 150 ppm
(b) 200 ppm
(c) 250 ppm
(d) 300 ppm

4. Renditta is :
(a) Quantity of yarn to produced 10 metre silk frabric
(b) Quantity of Cocoon required to produce 1 kg of raw silk
(c) Quantity of spun yarn to weight 11 kg
(d) Quantity of silk frabric produced from 10 kg of raw silk

5. Epprouvette is used for reeling :
(a) A single filament from Cocoon
(b) Tasar Cocoon
(c) Spining Cocoon of Eri
(d) Oak tasar Cocoon

6. Country charkha should be avoided for reeling bevoltine Cocoon because :
(a) The yarn produced is coarse
(b) The yarn produced is uneven
(c) There is re-reeling problems
(d) It devaluate the silk product

7. Twisting of yarn is necessary because :
(a) It strengthen the yarn
(b) Moisture is taken out
(c) It effects the weaving efficiency
(d) It lessen the sericin percentage

8. Eri Cocoon is mainly spun in :
(a) Trivedy Reeling Machine
(b) Chowdhury Spinning Machine
(c) Country Charkha
(d) Hand-spinning

9. How many elements of economics are there?
(a) Two
(b) Three
(c) Four
(d) Five

10. A farmer should have ___________ production decision.
(a) Two
(b) Three
(c) Four
(d) Five

11. Symposium is a short series of lectures usually by ___________ speakers.
(a) 2 – 5
(b) 5 – 6
(c) 3 – 5
(d) 4 – 7

12. In all the project, it is a part and parcel to undertake evaluations from time to time. There are ___________ steps for programme evaluation.
(a) Two
(b) Three
(c) Four
(d) Five

13. Planning can be classified into ___________.
(a) Two
(b) Three
(c) Four
(d) Five

14. What is the first and foremost function of manager of any organisation?
(a) Vision
(b) Planning
(c) Efficiency
(d) Project formulation

15. Macroeconomics deals with the market on
(a) A small scale
(b) A large scale
(c) A medium scale
(d) A major scale

16. How many types of co-ordinations are there?
(a) Two
(b) Three
(c) Four
(d) Five

17. In any organisation there are leaders, says the Chairman, Vice Chairman, Secretary, so on and so forth. Tell us how many things the Chairman should not do?
(a) Two
(b) Three
(c) Four
(d) Five

18. Soil of mulberry field has to supply
(a) Carbon dioxide
(b) Photosynthesis
(c) Oxygen
(d) Sulphuric acid

19. Mulberry grows best on
(a) Sandy soil
(b) Acidic soil
(c) Black soil
(d) Loamy soil

20. The optimum pH of soil for mulberry cultivation is
(a) 7.0 pH
(b) 6.7 pH
(c) 6.5 pH
(d) 5.5 pH

21. Soil affects the growth of the silkworm and the
(a) Colour of Cocoons
(b) Quality of cocoons
(c) Brightness of cocoons
(d) Weight of cocoons

22. Gypsum is applied to the soil, if the soil condition is
(a) Loamy soil
(b) Acidic soil
(c) Alkaline soil
(d) Alluvial soil

23. Main purpose of lime application is
(a) To reclaim saline soil
(b) To neutralize acid soil
(c) To improve alkaline soil
(d) To improve clayey loam soil

24. Micronutrient Iron deficiency is indicated by the appearance of
(a) Yellow leaf colouration
(b) Darkened veins
(c) Rotting in between the veins
(d) Chlorosis on the younger leaves

25. Species of Morus are diploid having
(a) 24 chromosomes
(b) 26 chromosomes
(c) 28 chromosomes
(d) 29 chromosomes

26. The most common method of propagating mulberry in India is through
(a) Root grafting
(b) Cutting
(c) Seed
(d) Budding

27. Tasar food plants Terminalia arjuna from 2 – 3 years’ saplings become suitable for rearing within
(a) 5 years
(b) 4 years
(c) 3 years
(d) 2 years

28. Among Tasar food plants, the following varieties are propagated by air layering
(a) T. arjuna
(b) T. tomentosa
(c) T. parviflora
(d) T. chebula

29. Muga food plants som and soalu are propagated through
(a) Grafting
(b) Budding
(c) Stem cutting
(d) Seeds

30. Transplanting of the seedlings from the nursery is usually done
(a) After three Months
(b) After six months
(c) After eight (8) months
(d) In the next monsoon season

31. Spacing for som and soalu plantation is
(a) 2×2 mtr for som & 2×2 mtr for soalu
(b) 3×3 mtr for som & 3×3 mtr for soalu
(c) 4×4 mtr for som & 5×5 mtr for soalu
(d) 5×5 mtr for som & 6×6 mtr for soalu

32. Muga food plants Som and Soalu are grown abundantly in
(a) Assam only
(b) Assam and Mizoram
(c) Assam, Meghalaya, Mizoram & Nagaland
(d) All N.E Indian states

33. Among the varieties of som, the best variety for rearing of muga silkworm is
(a) Ampatia
(b) Jampatia
(c) Kathalpatia
(d) Naharpatia

34. Ideal soil pH of Muga food plantation is
(a) 4.0 to 4.5
(b) 4.5 to 5.0
(c) 5.0 to 5.5
(d) 5.5 to 6.0

35. Muga food plants can grow very well in the soil of
(a) Sandy loam
(b) Slightly acidic
(c) Alkaline
(d) Alluvial

36. Tasar is the most important among the non-mulberry silks accounting for about
(a) 60%
(b) 70%
(c) 80%
(d) 90%

37. Fertilizers are applied in som and soalu plantation in the months of
(a) January and October
(b) February and November
(c) March and August
(d) April and September

38. When the som and soalu plantations are established, it can be utilized for
(a) 10 – 15 years
(b) 15 – 20 years
(c) 20 – 25 years
(d) 30 – 40 years

39. Muga silkworm rearing will commence from _____ when the plantation is raised through seedlings.
(a) 2 years
(b) 3 years
(c) 5 years
(d) 8 years

40. Scientific name of soalu is
(a) Litsaea polyantha
(b) Litsaea citrate
(c) Machilus bombycine
(d) Magnolia sphenocarpa

41. Som seeds are available during
(a) January to February
(b) February to March
(c) March to May
(d) May to June

42. It is essential to re-establish the muga food plantation in a systematic way in order to
(a) Arrest the declining trend of muga silk production
(b) Fulfil the state developmental work
(c) Complete the sericulture activities
(d) Achieve the CSB projects

43. The desired mulberry cutting for planting is
(a) 6 – 7 months’ old
(b) 7 – 8 months’ old
(c) 8 – 10 months’ old
(d) 10 – 12 months’ old

44. Layering method of mulberry propagation involves the development of
(a) Roots from the bud
(b) Roots from a stem
(c) Plants from joining two plants
(d) Plants from root grafting

45. For planting of mulberry, number of live buds in one cutting should have
(a) 2 – 3
(b) 3 – 4
(c) 4 – 5
(d) 5 – 6

46. To raise one hectare of mulberry plantation, the required area of nursery is
(a) 0.1 ha
(b) 0.2 ha
(c) 0.3 ha
(d) 0.4 ha

47. Generally, one hectare of mulberry nursery can provide
(a) 100,000 – 200,000 saplings
(b) 200,000 – 300,000 saplings
(c) 300,000 – 400,000 saplings
(d) 400,000 – 500,000 saplings

48. Under irrigated conditions in Karnataka, the system of planting is
(a) Row system
(b) Pit system
(c) Strip system
(d) None of the above

49. Among the nutrients in fertilizers, the greatest influence on the quality of mulberry leaves is
(a) Potassium
(b) Nitrogen
(c) Phosphorous
(d) Calcium

50. Mulberry plantation, under row system of planting, the spacing follow is
(a) 40 cm × 30 cm
(b) 50 cm × 30 cm
(c) 60 cm × 30 cm
(d) 70 cm × 30 cm