Aquaculture Questions and Answers for Practice and Preparation

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Aquaculture Questions and Answers for Practice and Preparation

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Aquaculture Related Questions and Answers

1. Zoogeographycally, the largest number of fish species occurs in the region of:
(a) Temperate region
(b) Arctic region
(c) Tropical region
(d) Antarctic region

2. Stocking density of catfish brooder:
(a) 1-2/m2
(b) 5-6/m2
(c) 2-3/m2
(d) 5-10/m2

3. Name of mechanical time piece:
(a) Chronometers
(b) E M log
(c) Compass
(d) None of these

4. The most rapid method of surveying is:
(a) Compass surveying
(b) Chain surveying
(c) Plane table surveying
(d) None of these

5. The important raw material source in fish feed is:
(a) Leaf meal
(b) Legume meal
(c) Fish meal
(d) Oil cake

6. Maturity of male mahseer is:
(a) 1-3 years
(b) 3+ years
(c) 2 years
(d) 5+ years

7. Which one is a live bearer?
(a) Gold fish
(b) Guppy
(c) Tilapia
(d) Pabda fish

8. Mycrocystis bloom in pond is controlled by:
(a) Gammexane
(b) Teepol
(c) Simazine
(d) BHC

9. In fish culture ponds, the inlets and outlets are constructed in:
(a) Opposite side
(b) Right angle to each other
(c) Same side
(d) None of these

10. In sewage fed fish culture:
(a) No oxidation pond is required
(b) Serial oxidation ponds are required
(c) Sewage water is directly used
(d) Single oxidation pond is required

11. Order of Moina (zooplankton) is :
(a) Cladocera
(b) Anostraca
(c) Arthropoda
(d) Copepoda

12. The first staff reading in any set up of the instrument is called :
(a) Fore sight
(b) Intermediate sight
(c) Back sight
(d) All of these

13. Cryopreservation of fish eggs is difficult because of its:
(a) Large size
(b) High fat content
(c) High water content
(d) High Yolk content

14. Hatching time of Mahseer eggs at 22-24°C temperature:
(a) 16 Hrs
(b) 72 Hrs
(c) 180 Hrs
(d) 80-90Hrs

15. Which of the following fish species are comes under Live fishes?
(a) Guppy
(b) Magur
(c) Sword tail
(d) All of these

16. First attempt to transplant trout in India is made at:
(a) Himachal Pradesh
(b) Nainital
(c) Jamu & Kashmir
(d) Nilgiris

17. The larvae of f/w prawns require one of the following salinity ranges for metamorphosis:
(a) 0 ppt
(b) 10-20 ppt
(c) 20-30 ppt
(d) 30-35 ppt

18. The outer integument of crustacean is made up of how many layers?
(a) Two
(b) Five
(c) Three
(d) Seven

19. In most fish, the chemical digestion begins in:
(a) Mouth
(b) Oesophagus
(c) Stomach
(d) Intestine

20. Fertilization is the fusion of male and female gametes followed by the joining of:
(a) Cells
(b) Cytoplasm
(c) Nucleus
(d) Mitochondria

21. Dr.Chaudhuri and Dr.Alikunni succeeded in induced breeding of carps by injecting carp pituitary extract in the year:
(a) 1937
(b) 1967
(c) 1957
(d) 1947

22. In integrated farming, construction of animal houses need…..% of the total farm land
(a) 10
(b) 25
(c) 20
(d) 30

23. Feed Conversion ratio of Fish meal:
(a) 1.5- 3
(b) 3.5-4
(c) 2.5-4
(d) 4.5-5

24. In larval rearing of shrimp, freshly hatched artemia nauplii are fed from:
(a) Nauplius stage
(b) Mysis I stage
(c) Protozoea I stage
(d) Mysis III stage

25. The number of individuals an environment can support without significant negative impacts to the given organism and its environment:
(a) Carrying capacity
(b) Standing crop
(c) Ecosystem
(d) Ecological habitats

More Question Set for Fisheries

26. Hypophysation refers to:
(a) Moulting
(b) Eyestalk ablation
(c) Hybridization
(d) Induced breeding with pituitary extracts

27. Fish meal is mainly used as a feed ingredient in:
(a) Baby feed
(b) Both (a) and (b)
(c) Live-stock feed
(d) None of these

28. The most common practice fish pond in Mizoram is:
(a) Watershed pond
(b) RAS pond
(c) Levee pond
(d) RAD pond

29. The maximum time for filling a pond is:
(a) 1 week
(b) 3 weeks
(c) 2 weeks
(d) 4 weeks

30. The organic soils having more than:
(a) 10% organic constituents
(b) 20% organic constituents
(c) 15% organic constituents
(d) 25% organic constituents

31. Phytoplankton contain C:N:P in the ratio of:
(a) 106:17:1
(b) 75:16:2.4
(c) 100:16:2.4
(d) 75:17:2.4

32. Is considered to be one of the most important limiting factors in the development of phytoplankton:
(a) Magnesium
(b) Calcium
(c) Nitrogen
(d) Potassium

33. The area of pond is 50m × 20m × 1.5m .The volume of the pond( in gallon):
(a) 11250
(b) 12500
(c) 1500
(d) 10000

34. Find the perimeter of rectangular fish pond having 60m lengths and 40m widths?
(a) 4800m
(b) 200m
(c) 480m
(d) 3600m

35. 1 hectare fish pond equal:
(a) 7.5 bigha
(b) 4.2 bigha
(c) 6.17 bigha
(d) 5.6 bigha

36. Starving the fishes before packing for transportation is known as:
(a) Acclimatization
(b) Conditioning
(c) Sedation
(d) Quarantining

37. For air transport, the gross weight of the pack should not exceed………kg as per airline requirement
(a) 30 kg
(b) 20 kg
(c) 10 kg
(d) 40 kg

38. Which of the following ornamental fish has been reported for transgenesis?
(a) Esomus
(b) Angel fish
(c) Zebra fish
(d) Fighter fish

39. Present Per capita per annum availability in India:
(a) 6.5 kg
(b) 7.9 kg
(c) 9.6 kg
(d) 11 kg

40. Density of the fish is:
(a) 0.92 g/cm3
(b) 0.98 g/cm3
(c) 0.94 g/cm3
(d) 1.0 g/cm3

41. Stage of PL stocked for grow-out prawn culture is
(a) PL 10
(b) PL 20
(c) PL 12
(d) Both (b) and (c)

42. Hypophysis is related to :
(a) Pituitary gland
(b) Pineal gland
(c) Adrenal gland
(d) Corpus of stannius

43. Order of Artemia is :
(a) Notostraca
(b) Copepoda
(c) Anostraca
(d) Arthropoda

44. Find the purine base :
(a) Uracil
(b) Thymine
(c) Guanine
(d) None of these

45. Bighead carp :
(a) Zooplankton feeder
(b) Omnivorous
(c) Phytoplankton feeder
(d) Macrophytes feeder

46. Stocking density of fry rearing@nos/ha :
(a) 6000-12000
(b) 3-5 lakh
(c) 60000-120000
(d) 3-5 million

47. Relative neutralizing value is 100
(a) CaO
(b) CaCO3
(c) Ca(OH)2
(d) MgCO3

48. Percentage of protein content in fish:
(a) 16 -22 %
(b) 35-40%
(c) 66-80 %
(d) 30-35%

49. Health of heart and circulatory system are maintained by :
(a) EPA
(b) Amino Acid
(c) DHA
(d) None of these

50. Gypsum is :
(a) CuSO4
(b) NaCl2
(c) CaSO4
(d) MgCO3