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
