Sericulture Interview Questions

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Interview Questions Papers on Sericulture

1. Cultural method for reducing Powdery mildew
(a) Timely utilization of leaves
(b) Intercropping
(c) Adoption of wider spacing
(d) All of these

2. Leaf rust in Som can be reduced by foliar spray of
(a) 1.0% Dithane M-45
(b) 1.0% Bordeaux
(c) 1.5% Nuvan
(d) 1.0% Captan

3. Which one is a soil borne disease
(a) Root rot
(b) Leaf blight
(c) Seedling blight
(d) Stem rot

4. Most popular foliar disease is
(a) Fusarial wilt
(b) Sooty mould
(c) Powdery mildew
(d) All of these

5. Aphids can be controlled by
(a) Spraying of 0.2% Roger
(b) Dusting 5% Aldrin
(c) Spraying 0.05% Monocrotophos
(d) Dusting spike with 1.5% quinlphos

6. Pest of Eri food plants
(a) Scale insects
(b) Mealy bug
(c) Semilooper
(d) All of these

7. Symptoms of Alternaria blight in Castor plant
(a) Wilting plants
(b) Appearance of irregular spots on leaves
(c) Marginal necrosis
(d) Appearance of black spots on leaves

8. Leaf blight diseases of mulberry is caused by
(a) Virus
(b) Bacteria
(c) Fungus
(d) Nematode

9. Tukra is caused by
(a) Meconellicoccus hirsutus
(b) White fly
(c) Nematode
(d) Bihar hairy caterpillar

10. Bavistin is a
(a) Pesticide
(b) Bio-fertilizer
(c) Bio-control agent
(d) Fungicide

11. Causal organism of leaf spot disease
(a) Cercospora moricola
(b) Pseudomonas mori
(c) Meloidogyne incognita
(d) Phyllactinia corylea

12. The scientific name of mulberry pest Bihar hairy caterpillar is
(a) Spilosoma oblique
(b) Diaphania pulverulentalis
(c) Pseudodendrothrips mori
(d) Agonoscellis nubile

13. Manangement of Jassid
(a) 0.05% DDVP
(b) 0.5% Neem oil
(c) 0.1% Benomyl
(d) 2% Mancobez

14. Symptoms of root rot disease
(a) Decaying of root
(b) Sudden withering and defoliation of leaves
(c) Fail to sprout
(d) All of these

15. Which is not a pest of mulberry?
(a) Leaf roller
(b) Cutworm
(c) Thrips
(d) Dermestid beetle

16. Powdery mildew diseases reduces leaf yield up to
(a) 20%
(b) 37-45%
(c) 10-15%
(d) 15-25%

17. Which is not a sucking pest?
(a) White fly
(b) Thrips
(c) Mealy bug
(d) Leaf roller

18. Boat shaped leaves appearance is caused by
(a) Mealy bug
(b) Cutworms
(c) Thrips
(d) Leaf webber

19. Cultural method adopted for management of White fly in Mulberry garden is
(a) Fixing yellow sticky trap
(b) Light trap
(c) Sprinkler irrigation
(d) Pheromone trap

20. Dimethoate is a chemical used to control
(a) Pest
(b) Fungal disease
(c) Bacterial disease
(d) Stem borer

21. Mulberry root knot diseases can be controlled by applying
(a) Dithane M-45
(b) Bavistin
(c) Carbofuron
(d) None of these

22. Stem canker is caused by
(a) Bacteria
(b) Fungus
(c) Pest
(d) Nematode

23. Symptoms of Leaf Rust
(a) White powdery patches on the lower surface of mulberry leaves
(b) Small brownish irregular spots
(c) Pin-head sized circular to oval, brownish eruptive lesions
(d) Leaf marginal browning or blackening of leaves

24. Marginal scorching and yellowing of Mulberry leaf is due to deficiency of
(a) Moisture
(b) Oxygen
(c) Potassium
(d) Glucose

25. Intra-veinal chlorosis of older leaves of Mulberry is caused by deficiency of
(a) Zinc
(b) Magnesium
(c) CO2
(d) Phosphorus

26. Slow and weak growth of Mulberry with less branching is an indication of the deficiency of
(a) Glucose
(b) Copper
(c) Nitrogen
(d) Chlorine

27. Application of gypsum or ammonium sulphate is recommended for
(a) Magnesium deficiency
(b) Sulphur deficiency
(c) Zinc deficiency
(d) Calcium deficiency

28. Defoliation of young leaves with necrosis along the veins is due to
(a) Calcium deficiency
(b) Bromine deficiency
(c) Magnesium deficiency
(d) Iron deficiency

29. The population density of which control measures should be initiated against an increasing pest population to prevent economic damage is called
(a) Economic threshold level
(b) Economic injury level
(c) Damage boundary
(d) Level of damage

30. Calculate the quantity of Bavistin fungicide to prepare 180 liters of 0.2% Carbendazim solution for spraying of one acre Mulberry garden
(a) 550g
(b) 456g
(c) 680g
(d) 720g

31. Sap-sucking insects of Oak tree
(a) Aphids, Beetles, Weevils, Scales
(b) Butterflies, Weevils, Aphids, Leaf hopper
(c) Leaf hopper, Aphids, White flies, Scales
(d) Stem borer, White flies, Scales, Butterflies

32. Powdery mildew causing pathogens, Phylactinia corylea is an
(a) Parasite
(b) Endoparasite
(c) Ectoparasite
(d) None of these

33. Disinfection should be done __________ before rearing
(a) 3 days
(b) 5 days
(c) 2 days
(d) 7 days

34. Symptoms of Pebrine disease
(a) Black pepper- like spots
(b) Hard and stiff body
(c) Head appears hook shaped
(d) Shrinkage of abdominal segment

35. A bleaching powder with _________ chlorine content is suitable for disinfection in Sericulture
(a) 0.3%
(b) 0.2-0.3%
(c) 0.5%
(d) 0.3-0.6%

36. Rectal protrution is the symptoms of
(a) Muscardine
(b) Flacherie
(c) Grasserie
(d) Pebrine

37. Tiger band disease in Oak Tasar Silkworm was caused by
(a) Bacteria
(b) Virus
(c) Nematode
(d) Protozoa

38. Which of the following is not a bed disinfectant?
(a) Sanitech
(b) Labex
(c) Sericillin
(d) None of these

39. Flacherie diseases was severe during
(a) April-July
(b) April-September
(c) November-April
(d) July-November

40. Gattine is a disease caused by combination of
(a) Virus and Protozoa
(b) Fungi and Bacteria
(c) Virus and Bacteria
(d) Virus and Fungi

41. The right approach to eliminate pathogens from the rearing environment is
(a) Rearing disease resistance silkworm breed
(b) Chemotherapy
(c) Practice hygienic measures
(d) Disinfection

42. Diseased larvae should be disposed in
(a) 0.2% slaked lime
(b) 5% bleaching powder
(c) 0.2% bleaching powder
(d) 3% slaked lime

43. The route of infection for Grasserie disease
(a) Sub cutaneous
(b) Wound
(c) Per oral
(d) Transovum transmission

44. Flacidity of Silkworm body is the sign of
(a) Flacherie
(b) Densonucleosis
(c) Grasserie
(d) White muscardine

45. Common symptoms of Fungal diseases
(a) Mummified larvae
(b) Irregular size
(c) Translucent head and thorax
(d) Anal protrution

46. Bacterial diseases in Silkworm
(a) Densonucleosis
(b) Infectious Flacherie
(c) Aspergillosis
(d) Black thorax septicemia

47. Management of viral disease
(a) Rearing under congenial conditions of environment and nutrition
(b) Lowering humidity and used bed disinfectant
(c) Mother moth examination
(d) All of these

48. Predisposing factor of muscardine disease
(a) Poor quality leaves
(b) Low temperature with high humidity
(c) Transovarian
(d) High temperature

49. Ideal magnification required for the identification of pebrine spore
(a) 400X
(b) 600X
(c) 100X
(d) 10X

50. Bacterial diseases known as empty gut disease in Oak tasar silkworm was caused by
(a) Aspergillus flavus
(b) Streptococcus pernyi
(c) Blepheripa sugan
(d) Apantales rificus