Sample Questions on Fisheries Science

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Sample Questions on Fisheries Science

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Fisheries Science Sample Questions Paper

1. The mesophilic bacteria responsible for ‘sulphur stinker’ spoilage is :
(a) C. botulinum
(b) B. thermophilus
(c) C. nigrificans
(d) B. subtilis

2. Disinfectants can easily kill mainly:
(a) Gram +ve bacteria
(b) Both (a) & (c)
(c) Gram –ve bacteria
(d) None of these

3. Iodine test is used for :
(a) Starch and glycogen
(b) Reduced sugar
(c) General carbohydrate
(d) All of these

4. The first commercial production of fish silage was started in :
(a) Sweden
(b) Mexico
(c) Norway
(d) Denmark

5. Tyndalization is a sterilization technique which is carried out at temp…. °C at 45 minutes
(a) 80
(b) 100
(c) 60
(d) 110

6. When relative size of fish caught is high and fishing mortality is high, the condition is:
(a) Under fishing
(b) Eumetric fishing
(c) Overfishing
(d) None of these

7. Brevetoxin is related to :
(a) DSP
(b) NSP
(c) ASP
(d) PSP

8. The enzyme without its non-protein component is called :
(a) Holo-enzyme
(b) Co-enzyme
(c) Zymogen
(d) Apo-enzyme

9. Which of the following compound is used to detect textural degradation in fish and also used to measure the quality of frozen fish?
(a) TMA
(b) Both TMA and DMA
(c) DMA
(d) K-value

10. The important guanidine compound present in fish :
(a) Creatine
(b) Proline
(c) Balaine
(d) Arginine

11. Crustaceans are more susceptible to bacterial spoilage due to present of :
(a) Higher amount of calcium
(b) Higher amount of fatty acid
(c) Higher amount of free amino acid
(d) Lower amount of fat

12. At pH above isoelectric point, the protein becomes :
(a) Negatively charged
(b) Positively charged
(c) Neutral
(d) None of these

13. Brown reaction sugar- amines are formed in the :
(a) Caramalization
(b) Xanthoproteic reaction
(c) Maillard reaction
(d) None of these

14. Most commonly used to enhance the shelf life of iced fish is :
(a) Potassium chromate
(b) Sodium sorbate
(c) Sodium chloride
(d) Potassium sorbate

15. Process of hydrogenation to convert :
(a) Saturated fatty acid to unsaturated fatty acid
(b) Unsaturated fatty acid to saturated fatty acid
(c) Saturated amino acid to unsaturated amino acid
(d) Unsaturated amino acid to saturated amino acid

16. Lordosis and scoliosis is due to deficiency of :
(a) Vitamin B7
(b) Vitamin D
(c) Vitamin C
(d) Vitamin B1

17. A live microbial feed supplement which beneficially affects the host animal by improving its intestinal balance is termed as :
(a) Probiotic
(b) Antibiotic
(c) Prebiotic
(d) None of these

18. Drag net is an example of:
(a) Selective gear
(b) Passive gear
(c) Non-selective gear
(d) None of these

19. Storage of solar energy :
(a) Glycogen
(b) Starch
(c) Cellulose
(d) None of these

20. Gyrodactyrus ( skin fluke) is:
(a) MonogeneanTrematode
(b) Cestode
(c) DigeneanTrematode
(d) Nematode

21. The term ‘ induced fit model’ is related to :
(a) Hormone activity
(b) Enzyme- substrate interaction
(c) Oxidative phosphorylation
(d) None of these

22. A cohort consists of:
(a) Individuals of same age
(b) Same breeding habit
(c) Individuals of same feeding habits
(d) All of these

23. The meaty flavor in fish/ seafood is due to :
(a) Fatty acid
(b) Glutamic acid
(c) IMP
(d) Propionic acid

24. Compound responsible for typical odour in cold store frozen fishery products :
(a) Hydrogen sulphide
(b) Maillard reaction
(c) Heptanal
(d) Merceptans

25. Recruitment overfishing occurs when:
(a) Larger fishes constitutes main catch
(b) Matured fishes constitutes main catch
(c) Smaller fishes constitutes main catch
(d) All of these

More Question Set for Fisheries

26. Colour pattern of ornamental fish comes under:
(a) Qualitative variations
(b) Both (a) & (c)
(c) Quantitative variations
(d) None of these

27. The science dealing with the various systems of inland waters, usually freshwater is called:
(a) Limnology
(b) Hydrology
(c) Hypology
(d) Inland geography

28. In soil profile, zone of eluviation is:
(a) O-zone
(b) B-zone
(c) A-zone
(d) C-zone

29. The gap between what is and what ought to be is termed as :
(a) Necessity
(b) Comfort
(c) Demand
(d) Need

30. The degree to which an innovation is perceived as better than the idea it supersede :
(a) Economic advantage
(b) Relativity
(c) Relative advantage
(d) Cost benefit production

31. Which of the following compounds will react with sulphuric acid to form a salt and water :
(a) Na2SO4
(b) NaOH
(c) HCL
(d) CaCl2

32. Scientific name of killi fish :
(a) Osphronemus spp
(b) Aplocheilus spp.
(c) Betta splendens
(d) Xiphophorus spp.

33. Gold fish eggs are:
(a) Pelagic and sticky
(b) Pelagic and non-sticky
(c) Demersal and sticky
(d) Demersal and non-sticky

34. The amount of living tissue per unit area/ volume at a given point in time:
(a) Standing crop
(b) Both (a) & (c)
(c) Total biomass
(d) None of these

35. Organism attaché or clinging to water plants:
(a) Nekton
(b) Periphyton
(c) Neuston
(d) All of these

36. The production of small reservoir is:
(a) 50kg/ha/yr
(b) 11.5kg/ha/yr
(c) 12.3kg/ha/yr
(d) 40kg/ha/yr

37. The organisms surviving at the air –water interface
(a) Nekton
(b) Pleuston
(c) Neuston
(d) None of these

38. It is an animal association where no partner is harmed. One or both the partners are benefited is called :
(a) Symbiosis
(b) Commensalism
(c) Mutualism
(d) None of these

39. National innovation foundation is an autonomous society established in the year :
(a) 2000
(b) 2002
(c) 2001
(d) 2004

40. Production function is the mathematic relationship between:
(a) Input and input
(b) Output and output
(c) Input and output
(d) Production and product

41. The Extension Education section of ICAR was established in the year:
(a) 1971
(b) 1975
(c) 1980
(d) 2005

42. One of the ex-situ conservation method for endangered species is:
(a) Wildlife sanctuaries
(b) Cryopreservation
(c) Biosphere reserve
(d) National park

43. Number of ecological hotspots in India is:
(a) 01
(b) 03
(c) 02
(d) 04

44. Functional status of an organism in its community:
(a) Niche
(b) Ecosystem
(c) Ecotone
(d) Biome

45. The average production of Indian reservoir:
(a) 20kg/ha/yr
(b) 50kg/ha/yr
(c) 30kg/ha/yr
(d) 100kg/ha/yr

46. In tropical fishes, age could be calculated from:
(a) Vertebra
(b) Scales
(c) Otolith
(d) Length frequency analysis

47. The example of colour changing ornamental fish:
(a) Channa blecheri
(b) Badis badis
(c) Chaca chaca
(d) Botia Dario

48. The ornamental fish capital in the world is:
(a) USA

49. A life table represents:
(a) Feeding schedule
(b) Reproductive and mortality schedule
(c) Breeding schedule
(d) All of these

50. The first step in freshwater aquarium setting after fabrication:
(a) Planting
(b) Pouring Water
(c) Fixing Plants
(d) Adding Gravels