FISHERIES SCIENCE- PAGE 6
1. If the fish follows the cube law, the growth is called
(A) Absolute growth
(B) Relative growth
(C ) Isometric growth
(D) Allometric growth
Ans: C
2. The term used to denote standing water bodies is
(A) Lentic (B) Lotic
(C) Rhithron (D) Potamon
Ans: A
3. Which is called ‘Blue Swimining Crab"?
(A) Charybdis natator
(B) Charybdis feriata
(C ) Portunus pelagicus
(D) Portunus sanguinolentus
Ans: C
4. Fishes which lay eggs among aquatic plants are
(A) Phytophil (B) Lithophil
(C) Psammophil (D) Pelagophil
Ans: A
5. Oesophagus is much longer and distensible in
(A) Herbivorous fishes (B) Omnivorous fishes
(C ) Carnivorous fishes (D) Planktivorous fishes
Ans: C
6)Nuptial tubercles is a sexual dimorphic feature present in males of ______________
a) Angel fish b) Gold fish c) Pearl gourami d) Guppy
Ans: B
7) ______________ is an egg scatterer
a) Angel fish b) Pearl gourami c) Sword tail d) Koi carp
Ans: D
8)White spot or Ich is a ______________ disease
a) metazoan b) bacterial c) protozoan d) viral
Ans: C
9)Non feeding steps in the larval development of shrimp:
a) Nauplius b) Megalopa c) Protozoa d) Mysis
Ans: A
10) The transition larval stage in the life cycle of pearl oyster:
a) Trochophore b) Veliges c) Umbo d) Pediveliges
Ans: D
11. ‘Migratory Fishing’ system is adopted in
(A) Kerala Backwaters
(B) Chilka lake
(C) Pulicat lake
(D) Hooghly-Matlah estuary
Ans: D
12. ‘Asthamudi Lake’ is known for the
(A) Black clam resources
(B) Short neck clam resources
(C) Blood clam resources
(D) Pearl oyster resources
Ans: B
13. ‘RAMPANI NET’ is a kind of
(A) Gill net (B) Trawl net
(C) Shore seine (D) Dipnet
Ans: C
14. Which is commonly called ‘Malabar‘ Sole“?
(A) Cynoglossus bilineatus
(B) Cynoglossus macrostomus
(C) Cynoglossus lingua
(D) Cynoglossus quinquelineatus
Ans: B
15. ‘FAO’ stands for
(A) Fisheries of Arabian Ocean
(B) Fish and Agriculture Organization
(C) Food and Agriculture Organization
(D) Fisheries and Agriculture Organization
Ans: C
16. The process of drawing the movement of a vessel on a Navigational chart is called as
(A) Seamanship
(B) Engineering graphics
(C) Chart reading
(D) Piloting
Ans: C
17. The hoisting of victor flag in a vessel indicates
(A) l am altering my course to port
(B) Manover board
(C) I require medical assistance
(D) I require assistance
Ans: D
18. The fishes that migrate towards the river for breeding are
(A) Catadromous
(B) Anadromous
(C) Resident
(D) Ovo-Viviparous
Ans: B
19. The scientific name of Indian squid is
(A) Sepioteuthis lessomiana
(B) Loligo uyii
(C) Loligo duvauceli
(D) Doryteuthis sp.
Ans: C
20. The True Direction Differs From Magnetic Direction By
(A) Variation
(B) Deviation
(C) Compass Error
(D) North
Ans: A
21. Which is the correct sequence of steps involved in canning of fish?
(A) Filling —> Precooking —> Sealing ——> Cooling —> Exhausting —>Retorting
(B) Precooking —>Filling —> Exhausting —>Sealing —>Retorting --—> Cooling
(C) Precooking —>Filling—> Sealing —>Exhausting —>Retorting —> Cooling
(D) Precooking —>Filling —>Exhausting —> Sealing —> Cooling—>Retorting
Ans: B
22. The freezer which is not suitable for IQF products.
(A) Liquid nitrogen freezer
(B) Tunnel freezer
(C) Belt freezer
(D) Plate freezer
Ans: D
23. For ‘Sashimi’ grade Tuna, ____ freezers are used in fishing vessels.
(A) Fluidized bed freezer
(B) Horizontal plate freezer
(C) Tunnel freezer
(D) Immersion freezer
Ans: D
24. Scombroid poisoning is due to the presence of _______ in fish.
(A) Hypoxanthine
(B) Trimethyl amine
(C) Xanthine
(D) Histamine
Ans: D
25. Index of the freshness of fish
(A) Z Value
(B) D value
(C) F Value
(D) K value
Ans: D
26. The scientific name of rainbow trout, a cold water fish is
(A) Saluro trutta
(B) Oucorhynchus mvkiss
(C) Tor tot
(D) Botia sp
Ans: B
27) Indicator of temperature sensitivity of a microorganism:
a) D-value b) TDT c) z-value d) TDP
Ans: C
28) Cobb Test is used for testing the following parameter of a packaging material:
a) Tear resistance b) Water absorbtiveness
c) Bursting strength d) Puncture resistance
Ans: B
29) The packaging material with the highest cushioning property amongst the following:
a) Paperboard b) Biaxially oriented polypropylene
c) Corrugated fibreboard d) Vinyl chloride-vinylidine chloride copolymer
Ans: C
30) Lethal rate curve with respect to an organism subjected to thermal processing is constructed by plotting lethal rate against
a) heating-cooling time b) thermal death time
c) retort temperature d) cold spot temperature
Ans: A
31. During salt curing, salt uptake in fish flesh is not affected by its
(A) Fat content (B) Protein Content
(C) Stage of rigor (D) Status of freshness
Ans: B
32. Charts that are drawn on a very large scale covering only small area are called
(A) Coastal charts
(B) Plan charts
(C) World charts
(D) Ocean charts
Ans: B
33. Greatest Barriers of Salt Penetration to the fish flesh
(A) Skin and Gut
(B) Gut and Gills
(C) Skin and Scales
(D) Skin and Bones
Ans: C
34) Which among the following is a cryoprotectant?
a) Liquid nitrogen b) Formaldehyde c) Ammonia d) Sorbitol
Ans: D
35. Chitosan is prepared from chitin by a process called deacetylation using
(A) Sodium chloride (B) Sodium carbonate
(C) Sodium hydroxide (D) Sodium acetate
Ans: C
36. Fish liver oil is a rich source of Vitamin
(A) A and B
(B) A and C
(C) A and D
(D) A and E
Ans: C
37. Name the chemical required for the culture of dinoflagellates
a) Sodium thiosulphate b) Formaldehyde
c) Sodium hypochlorite d) Sodium silicate
Ans: D
38. The neurohemal organ in the eyestalk of decapod crustaceans
a) Y-organ b) Rimus gland c) Mandibular organ d) X-organ
Ans: B
39. An unbroken light placed over fore and aft center line of the vessel over an arc of the horizon of 225° is called
(A) Side light
(B) Stern light
(C) Mart head light
(D) All round light
Ans: C
40. A chart in which parallels of Latitude and Longitudes out each other at right angle and on which the rhumb line will appear as straight line is called
(A) Consol chart
(B) Gnomonic chart
(C) Mercator chart
(D) Nautical almanac
Ans: C
41. The young ones of lobsters are called
(A) Peurulus
(B) Megalopa
(C) Elvers
(D) post larva
Ans: A
42. Standing crop refers to the
(A) Total dissolved organic matter in a water body
(B) Total biomass in a water body
(C) Total primary produces in a Water body
(D) Total primary consumers in a water body
Ans: B
43. A saucer shaped popular country craft used in reservoirs for fishing and harvesting is called
(A) Canoe
(B) Coracle
(C) Caffamaran
(D) FRP Boat
Ans: B
44. In EEC scheme of grading chilled fish to various stages of spoilage, which among the following grades indicates that the product is unfit for human consumption?
a) A b) B c) C d) E
Ans: C
45. The presence of toxin produced by microorganisms on food products is coming under
a) Chemical hazard b) Physical hazard
c) Biological hazard d) None of these
Ans: A
46. Which among the following freezing methods makes undesirable quality changes in fish?
a) Fluilized bed freezing b) Quick freezing
c) Cryogenic freezing d) Double freezing
Ans: D
47. In brine salting method, fish is
(A) Salted using crystal salt and saturated brine
(B) Allowed to remain in self-brine
(C) Applied with crystalline salt
(D) Kept immersed in brine of desired concentration
Ans: D
48. Which method of salting will not allow the fish to be immersed in brine
(A) Kench salting (B) Dry salting
(C) Brine salting (D) Mixed salting
Ans: A
49. Chank resources are most abundant in
(A) Gulf of Kutch
(B) Malabar Coast
(C) Gulf of Manner
(D) Andaman and Nicobar Island
Ans: C
50. The maximum value of latitude can be _____ Degree
(A)90
(B) 180
(C) 360
(D) 270
Ans: A
(A) Absolute growth
(B) Relative growth
(C ) Isometric growth
(D) Allometric growth
Ans: C
2. The term used to denote standing water bodies is
(A) Lentic (B) Lotic
(C) Rhithron (D) Potamon
Ans: A
3. Which is called ‘Blue Swimining Crab"?
(A) Charybdis natator
(B) Charybdis feriata
(C ) Portunus pelagicus
(D) Portunus sanguinolentus
Ans: C
4. Fishes which lay eggs among aquatic plants are
(A) Phytophil (B) Lithophil
(C) Psammophil (D) Pelagophil
Ans: A
5. Oesophagus is much longer and distensible in
(A) Herbivorous fishes (B) Omnivorous fishes
(C ) Carnivorous fishes (D) Planktivorous fishes
Ans: C
6)Nuptial tubercles is a sexual dimorphic feature present in males of ______________
a) Angel fish b) Gold fish c) Pearl gourami d) Guppy
Ans: B
7) ______________ is an egg scatterer
a) Angel fish b) Pearl gourami c) Sword tail d) Koi carp
Ans: D
8)White spot or Ich is a ______________ disease
a) metazoan b) bacterial c) protozoan d) viral
Ans: C
9)Non feeding steps in the larval development of shrimp:
a) Nauplius b) Megalopa c) Protozoa d) Mysis
Ans: A
10) The transition larval stage in the life cycle of pearl oyster:
a) Trochophore b) Veliges c) Umbo d) Pediveliges
Ans: D
11. ‘Migratory Fishing’ system is adopted in
(A) Kerala Backwaters
(B) Chilka lake
(C) Pulicat lake
(D) Hooghly-Matlah estuary
Ans: D
12. ‘Asthamudi Lake’ is known for the
(A) Black clam resources
(B) Short neck clam resources
(C) Blood clam resources
(D) Pearl oyster resources
Ans: B
13. ‘RAMPANI NET’ is a kind of
(A) Gill net (B) Trawl net
(C) Shore seine (D) Dipnet
Ans: C
14. Which is commonly called ‘Malabar‘ Sole“?
(A) Cynoglossus bilineatus
(B) Cynoglossus macrostomus
(C) Cynoglossus lingua
(D) Cynoglossus quinquelineatus
Ans: B
15. ‘FAO’ stands for
(A) Fisheries of Arabian Ocean
(B) Fish and Agriculture Organization
(C) Food and Agriculture Organization
(D) Fisheries and Agriculture Organization
Ans: C
16. The process of drawing the movement of a vessel on a Navigational chart is called as
(A) Seamanship
(B) Engineering graphics
(C) Chart reading
(D) Piloting
Ans: C
17. The hoisting of victor flag in a vessel indicates
(A) l am altering my course to port
(B) Manover board
(C) I require medical assistance
(D) I require assistance
Ans: D
18. The fishes that migrate towards the river for breeding are
(A) Catadromous
(B) Anadromous
(C) Resident
(D) Ovo-Viviparous
Ans: B
19. The scientific name of Indian squid is
(A) Sepioteuthis lessomiana
(B) Loligo uyii
(C) Loligo duvauceli
(D) Doryteuthis sp.
Ans: C
20. The True Direction Differs From Magnetic Direction By
(A) Variation
(B) Deviation
(C) Compass Error
(D) North
Ans: A
21. Which is the correct sequence of steps involved in canning of fish?
(A) Filling —> Precooking —> Sealing ——> Cooling —> Exhausting —>Retorting
(B) Precooking —>Filling —> Exhausting —>Sealing —>Retorting --—> Cooling
(C) Precooking —>Filling—> Sealing —>Exhausting —>Retorting —> Cooling
(D) Precooking —>Filling —>Exhausting —> Sealing —> Cooling—>Retorting
Ans: B
22. The freezer which is not suitable for IQF products.
(A) Liquid nitrogen freezer
(B) Tunnel freezer
(C) Belt freezer
(D) Plate freezer
Ans: D
23. For ‘Sashimi’ grade Tuna, ____ freezers are used in fishing vessels.
(A) Fluidized bed freezer
(B) Horizontal plate freezer
(C) Tunnel freezer
(D) Immersion freezer
Ans: D
24. Scombroid poisoning is due to the presence of _______ in fish.
(A) Hypoxanthine
(B) Trimethyl amine
(C) Xanthine
(D) Histamine
Ans: D
25. Index of the freshness of fish
(A) Z Value
(B) D value
(C) F Value
(D) K value
Ans: D
26. The scientific name of rainbow trout, a cold water fish is
(A) Saluro trutta
(B) Oucorhynchus mvkiss
(C) Tor tot
(D) Botia sp
Ans: B
27) Indicator of temperature sensitivity of a microorganism:
a) D-value b) TDT c) z-value d) TDP
Ans: C
28) Cobb Test is used for testing the following parameter of a packaging material:
a) Tear resistance b) Water absorbtiveness
c) Bursting strength d) Puncture resistance
Ans: B
29) The packaging material with the highest cushioning property amongst the following:
a) Paperboard b) Biaxially oriented polypropylene
c) Corrugated fibreboard d) Vinyl chloride-vinylidine chloride copolymer
Ans: C
30) Lethal rate curve with respect to an organism subjected to thermal processing is constructed by plotting lethal rate against
a) heating-cooling time b) thermal death time
c) retort temperature d) cold spot temperature
Ans: A
31. During salt curing, salt uptake in fish flesh is not affected by its
(A) Fat content (B) Protein Content
(C) Stage of rigor (D) Status of freshness
Ans: B
32. Charts that are drawn on a very large scale covering only small area are called
(A) Coastal charts
(B) Plan charts
(C) World charts
(D) Ocean charts
Ans: B
33. Greatest Barriers of Salt Penetration to the fish flesh
(A) Skin and Gut
(B) Gut and Gills
(C) Skin and Scales
(D) Skin and Bones
Ans: C
34) Which among the following is a cryoprotectant?
a) Liquid nitrogen b) Formaldehyde c) Ammonia d) Sorbitol
Ans: D
35. Chitosan is prepared from chitin by a process called deacetylation using
(A) Sodium chloride (B) Sodium carbonate
(C) Sodium hydroxide (D) Sodium acetate
Ans: C
36. Fish liver oil is a rich source of Vitamin
(A) A and B
(B) A and C
(C) A and D
(D) A and E
Ans: C
37. Name the chemical required for the culture of dinoflagellates
a) Sodium thiosulphate b) Formaldehyde
c) Sodium hypochlorite d) Sodium silicate
Ans: D
38. The neurohemal organ in the eyestalk of decapod crustaceans
a) Y-organ b) Rimus gland c) Mandibular organ d) X-organ
Ans: B
39. An unbroken light placed over fore and aft center line of the vessel over an arc of the horizon of 225° is called
(A) Side light
(B) Stern light
(C) Mart head light
(D) All round light
Ans: C
40. A chart in which parallels of Latitude and Longitudes out each other at right angle and on which the rhumb line will appear as straight line is called
(A) Consol chart
(B) Gnomonic chart
(C) Mercator chart
(D) Nautical almanac
Ans: C
41. The young ones of lobsters are called
(A) Peurulus
(B) Megalopa
(C) Elvers
(D) post larva
Ans: A
42. Standing crop refers to the
(A) Total dissolved organic matter in a water body
(B) Total biomass in a water body
(C) Total primary produces in a Water body
(D) Total primary consumers in a water body
Ans: B
43. A saucer shaped popular country craft used in reservoirs for fishing and harvesting is called
(A) Canoe
(B) Coracle
(C) Caffamaran
(D) FRP Boat
Ans: B
44. In EEC scheme of grading chilled fish to various stages of spoilage, which among the following grades indicates that the product is unfit for human consumption?
a) A b) B c) C d) E
Ans: C
45. The presence of toxin produced by microorganisms on food products is coming under
a) Chemical hazard b) Physical hazard
c) Biological hazard d) None of these
Ans: A
46. Which among the following freezing methods makes undesirable quality changes in fish?
a) Fluilized bed freezing b) Quick freezing
c) Cryogenic freezing d) Double freezing
Ans: D
47. In brine salting method, fish is
(A) Salted using crystal salt and saturated brine
(B) Allowed to remain in self-brine
(C) Applied with crystalline salt
(D) Kept immersed in brine of desired concentration
Ans: D
48. Which method of salting will not allow the fish to be immersed in brine
(A) Kench salting (B) Dry salting
(C) Brine salting (D) Mixed salting
Ans: A
49. Chank resources are most abundant in
(A) Gulf of Kutch
(B) Malabar Coast
(C) Gulf of Manner
(D) Andaman and Nicobar Island
Ans: C
50. The maximum value of latitude can be _____ Degree
(A)90
(B) 180
(C) 360
(D) 270
Ans: A
51. Carp lice, a crustacean parasite affecting cyprinids is
(A) Lernaea Sp (B) Argulus Sp
(C) Lchthyophthirius Sp (D) Hemiclepsis Sp
Ans: B
52. Eye disease in Catla Sp is associated with the infection caused by
(A) Aeromonas salmonicida (B) Aeromonas liquifacieus
(C) Flexibaeter columnaris (D) Pseudomonas aeruginosa
Ans: B
53. An air breathing predatory fish
(A) Clarias batrachus (B) Cyprinus carpio
(C) Cirrhinus mrigaia (D) Tilagia morsacubicus
Ans: A
54. A Iarvicidal fish that is widely used for the control of mosquito in water bodies.
(A) Channa sp. (B) Catla Catla
(C ) Gambusia affinis (D) Cararsius cararsius
Ans: C
55. The protecting structure of fish ponds that are essential for both drainable and nondrainable ponds are called as
(A) Inlet (B) Outlet
(C) Bonds (D) Fencing
Ans: C
56. The “zone of maximum crystallization” in freezing of fish is in the temperature range
a) -1 to -5 deg C
b) -5 to -10 deg C
c) -10 to -15 deg C
d) -15 to -30 deg C
Ans: A
57. Filleting of fish will be ideal
a) In rigor b) In pre rigor c) In post rigor d) Any time
Ans: C
58. Renibacterium salmoninarum is known to be the causative agent of
a) Proliferative kidney disease b) Bacterial kidney disease
c) Furunculosis d) Haemorrhagic septicemia
Ans: B
59. Luminous vibriosis is associated with ________________
a) Shrimps b) Carps c) Crabs d) Cat fishes
Ans: A
60. Dactylogyrus is commonly known as
a) Blood fluke b) Skin fluke c) Gill fluke d) Eye fluke
Ans: C
61. Textured fish protein concentrate has
(A) improved digestibility
(B) improved protein assimilation
(C) improved sensory properties
(D) improved rehydration ability
Ans: D
62. Moisture content of fish meal should be
(A) 5% (B) 10%
(C) 15% (D) 20%
Ans: B
63. Sterilization of the package and packing the commercially sterile food under conditions which prevent reinfection is called
(A) Vacuum packaging
(B) Air packaging
(c) Aseptic packaging
(D) Modified Atmospheric packaging
Ans: C
64. Normal storage of canned foods is at
(A) Room temperature
(B) 5°C
(C) 15°C
(D) 20°C
Ans: A
65. Most limiting major nutrient in an aquaculture pond:
a) Nitrogen b) Potassium c) Calcium d) Phosphorous
Ans: D
66. Brackish water tidal wetlands in West Bengal where traditional rice-fish culture is practiced:
a) Bheries b) Gazani c) Khazans d) Khar lands
Ans: A
67. Polymer of N-acetyl glucosamine:
a) Lignin b) Starch c) Chitin d) Pectin
Ans: C
68. Metabolic precursor of EPA and DHA:
a) Oleic acid b) Stearic acid c) Linolic acid d) Linolenic acid
Ans: B
69. Protected form of vitamin E used in practical fish diets:
a) α Tocopherol acetate b) α Tocopherol propionate
c) β Tocopherol acetate d) β Tocopherol propionate
Ans: A
70. The presence of a freshwater source in a coastal fish farm should always be ensured during the site selection as
(A) It will control ammonia
(B) It will control alkalinity
(C) It will have control over the salinity
(D) It will control soil characteristic of ponds
Ans: C
71. FRP can be used as a boat building material for boats with the OAL upto ______ metres
(A) 24 metres (B) 10 metres
(C) 15 metres (D) 5 metres
Ans: A
72. The length measured from the extreme forward upto extreme point of aft on the deck of a fishing vessel is called
(A) Length between perpendicular
(B) Length overall
(C) Sheer
(D) Beam
Ans: B
73. The traditional beach landing craft ideal for use in surf beaten zone is
(A) Dry out canoe (B) Thoni
(C) Catamaran (D) Nava
Ans: A
74. A circular flat—bottomed craft made up of split bamboo and commonly used in South Indian Reservoirs is
(A) Catamaran (B) Coracle
(C) Machhawa (D) Dinghi
Ans: B
75. Boat trap is a type of
(A) Basket trap (B) Aerial trap
(C) Tubular trap (D) Collapsible trap
Ans: B
76. Templates are fitted on the keel of a wooden boat temporarily in order to make
(A) Deck (B) Frames
(C) Longitudinals (D) Transverse joints
Ans: B
77. Parental care in the form of fanning and mouthing to remove dead or weakened eggs is exhibited by this ornamental fish.
(A) Clown fish
(B) Gold fish
(C) Tailfin molly
(D) Fighting fish
Ans: A
78. As per 5th schedule of MSA (LSA) 1978 rules, the buoyancy of a life jacket after immersion for 24 hrs in Fresh water should not get reduced by
(A) more than 5% (B) more than 10%
(C) more than 1.5% (D) more than 20%
Ans: A
79. The scientific name of Liaurese fighting fish is
(A) Carassius auratus
(B) Davio rerio
(C) Colisa lalia
(D)Betta splendens
Ans: D
80. The ornamental fishes that lay eggs are called as
(A) Ovoviviparous (B) Oviparous
(C) viviparous (D) Hermophrodites
Ans: B
81. The recommended practice for initial feeding of the stocking material (biomass) of fish in fish ponds is
(A) 0.5 — 1% of the body weight (B) 0.2 - 0.5% of the body weight
(C) 3 - 5% of the body weight (D) 10 — 15% of the body weight
Ans: C
82. The chemical used for the control of high turbidity in fish ponds without low of alkalinity
(A) Zeolite (B) Lime
(C) Gypsum (D) Formalin
Ans: C
83. The optimum dissolved oxygen level for good fish growth is ________ mg/litre
(A) 5
(B) 2
(C) 1
(D) 0.5
Ans: A
84. The light ship weight a steel vessel and a wooden vessel when constructed based on same design
(A) Will vary significantly
(B) Will not vary significantly
(C) are not at all comparable
(D) Will be equal
Ans: B
85. Fibres twisted directly to get yarn without spinning are called
(A) Staple fibres
(B) Continuous fibres
(C) Split fibres
(D) Monofilaments
Ans: B
86. Nylon gill nets behave like cotton nets and sink in sea water since the specific gravity of nylon is
(A) More than 1.025
(B) More than one
(C) less than 1.025
(D) Less than one
Ans: A
87. The longitudinal curvature given to the deck of a boat in the fore and aft direction is
(A) Camber (B) Sheer
(C) Free board (D) Trim
Ans: B
88. The cover made of brass, that protect the compass from sunlight, dust, rain, dew, frost etc, is called as
(A) Helmet (B) Gimbal
(C) Binnacle (D) Flinder bar
Ans: A
89. Which of the following are not economic goods.
(A) Fishes
(B) Houses
(C) Cars
(D) garbage
Ans: D
90. If we examine the sum of the behaviour of all firm/ business sector then it is called
(A) macro economies (B) micro economies
(C) behavioral economies (D) farm economies
Ans: A
91. Economics is the study of how people choose to use their scare resources to attempt to satisfy their ——— wants.
(A) general (B) personal (C) limited (D) unlimited
Ans: D
92. If there is enough of an item to satisfy wants even at a zero price, the item is said to be a
(A) economic good (B) free good
(C) factors of production (D) Scarcity
Ans: B
93. Any thing with a price on it is called
(A) economic good (B) free good
(C) input (D) output
Ans: A
94. In seasonalized Von Bertalanffy grown equation of fish, the term ‘C’ denotes.
(A) Summer point
(B) Amplitude of growth Oscillation
(C) Growth Coefficient
(D) Base of natural logarithm
Ans: C
95. While drawing profile view of a beat, a horizontal straight line drawn just under the lowest point of heel is
(A) Water line (B) Keel line
(C) Base line (D) Sheer
Ans: C
96. Ideal fishing method for capturing deep sea squids is
(A) Trawling (B) Gill netting (C) Squid jigging (D) Log lining
Ans: C
97. The state which possesses the highest (9.80 lakh ha) inland fisheries resources as per 2011 statistics is
(A) Andhra Pradesh (B) west Bengal (0) Tamil Nadu (D) Odisha
Ans: D
98. According to Hand book of fisheries statistics 2011 the state having as many as 813 fishing villages is
(A) West Bengal (B) Tamil Nadu (C) Gujarat (D) Odisha
Ans: D
99. The concept of opportunity coast serves as a useful economic tool in analysing the optimum resource allocation and relative price determination of
(A) demand (B) products
(C) supply (D) factors
Ans: B
100. The concept of cross elasticity is important in the case of commodities which are substitute and _________
(A) Comparable (B) Complementary
(C) Costly (D) Competitive
Ans: B
(A) Lernaea Sp (B) Argulus Sp
(C) Lchthyophthirius Sp (D) Hemiclepsis Sp
Ans: B
52. Eye disease in Catla Sp is associated with the infection caused by
(A) Aeromonas salmonicida (B) Aeromonas liquifacieus
(C) Flexibaeter columnaris (D) Pseudomonas aeruginosa
Ans: B
53. An air breathing predatory fish
(A) Clarias batrachus (B) Cyprinus carpio
(C) Cirrhinus mrigaia (D) Tilagia morsacubicus
Ans: A
54. A Iarvicidal fish that is widely used for the control of mosquito in water bodies.
(A) Channa sp. (B) Catla Catla
(C ) Gambusia affinis (D) Cararsius cararsius
Ans: C
55. The protecting structure of fish ponds that are essential for both drainable and nondrainable ponds are called as
(A) Inlet (B) Outlet
(C) Bonds (D) Fencing
Ans: C
56. The “zone of maximum crystallization” in freezing of fish is in the temperature range
a) -1 to -5 deg C
b) -5 to -10 deg C
c) -10 to -15 deg C
d) -15 to -30 deg C
Ans: A
57. Filleting of fish will be ideal
a) In rigor b) In pre rigor c) In post rigor d) Any time
Ans: C
58. Renibacterium salmoninarum is known to be the causative agent of
a) Proliferative kidney disease b) Bacterial kidney disease
c) Furunculosis d) Haemorrhagic septicemia
Ans: B
59. Luminous vibriosis is associated with ________________
a) Shrimps b) Carps c) Crabs d) Cat fishes
Ans: A
60. Dactylogyrus is commonly known as
a) Blood fluke b) Skin fluke c) Gill fluke d) Eye fluke
Ans: C
61. Textured fish protein concentrate has
(A) improved digestibility
(B) improved protein assimilation
(C) improved sensory properties
(D) improved rehydration ability
Ans: D
62. Moisture content of fish meal should be
(A) 5% (B) 10%
(C) 15% (D) 20%
Ans: B
63. Sterilization of the package and packing the commercially sterile food under conditions which prevent reinfection is called
(A) Vacuum packaging
(B) Air packaging
(c) Aseptic packaging
(D) Modified Atmospheric packaging
Ans: C
64. Normal storage of canned foods is at
(A) Room temperature
(B) 5°C
(C) 15°C
(D) 20°C
Ans: A
65. Most limiting major nutrient in an aquaculture pond:
a) Nitrogen b) Potassium c) Calcium d) Phosphorous
Ans: D
66. Brackish water tidal wetlands in West Bengal where traditional rice-fish culture is practiced:
a) Bheries b) Gazani c) Khazans d) Khar lands
Ans: A
67. Polymer of N-acetyl glucosamine:
a) Lignin b) Starch c) Chitin d) Pectin
Ans: C
68. Metabolic precursor of EPA and DHA:
a) Oleic acid b) Stearic acid c) Linolic acid d) Linolenic acid
Ans: B
69. Protected form of vitamin E used in practical fish diets:
a) α Tocopherol acetate b) α Tocopherol propionate
c) β Tocopherol acetate d) β Tocopherol propionate
Ans: A
70. The presence of a freshwater source in a coastal fish farm should always be ensured during the site selection as
(A) It will control ammonia
(B) It will control alkalinity
(C) It will have control over the salinity
(D) It will control soil characteristic of ponds
Ans: C
71. FRP can be used as a boat building material for boats with the OAL upto ______ metres
(A) 24 metres (B) 10 metres
(C) 15 metres (D) 5 metres
Ans: A
72. The length measured from the extreme forward upto extreme point of aft on the deck of a fishing vessel is called
(A) Length between perpendicular
(B) Length overall
(C) Sheer
(D) Beam
Ans: B
73. The traditional beach landing craft ideal for use in surf beaten zone is
(A) Dry out canoe (B) Thoni
(C) Catamaran (D) Nava
Ans: A
74. A circular flat—bottomed craft made up of split bamboo and commonly used in South Indian Reservoirs is
(A) Catamaran (B) Coracle
(C) Machhawa (D) Dinghi
Ans: B
75. Boat trap is a type of
(A) Basket trap (B) Aerial trap
(C) Tubular trap (D) Collapsible trap
Ans: B
76. Templates are fitted on the keel of a wooden boat temporarily in order to make
(A) Deck (B) Frames
(C) Longitudinals (D) Transverse joints
Ans: B
77. Parental care in the form of fanning and mouthing to remove dead or weakened eggs is exhibited by this ornamental fish.
(A) Clown fish
(B) Gold fish
(C) Tailfin molly
(D) Fighting fish
Ans: A
78. As per 5th schedule of MSA (LSA) 1978 rules, the buoyancy of a life jacket after immersion for 24 hrs in Fresh water should not get reduced by
(A) more than 5% (B) more than 10%
(C) more than 1.5% (D) more than 20%
Ans: A
79. The scientific name of Liaurese fighting fish is
(A) Carassius auratus
(B) Davio rerio
(C) Colisa lalia
(D)Betta splendens
Ans: D
80. The ornamental fishes that lay eggs are called as
(A) Ovoviviparous (B) Oviparous
(C) viviparous (D) Hermophrodites
Ans: B
81. The recommended practice for initial feeding of the stocking material (biomass) of fish in fish ponds is
(A) 0.5 — 1% of the body weight (B) 0.2 - 0.5% of the body weight
(C) 3 - 5% of the body weight (D) 10 — 15% of the body weight
Ans: C
82. The chemical used for the control of high turbidity in fish ponds without low of alkalinity
(A) Zeolite (B) Lime
(C) Gypsum (D) Formalin
Ans: C
83. The optimum dissolved oxygen level for good fish growth is ________ mg/litre
(A) 5
(B) 2
(C) 1
(D) 0.5
Ans: A
84. The light ship weight a steel vessel and a wooden vessel when constructed based on same design
(A) Will vary significantly
(B) Will not vary significantly
(C) are not at all comparable
(D) Will be equal
Ans: B
85. Fibres twisted directly to get yarn without spinning are called
(A) Staple fibres
(B) Continuous fibres
(C) Split fibres
(D) Monofilaments
Ans: B
86. Nylon gill nets behave like cotton nets and sink in sea water since the specific gravity of nylon is
(A) More than 1.025
(B) More than one
(C) less than 1.025
(D) Less than one
Ans: A
87. The longitudinal curvature given to the deck of a boat in the fore and aft direction is
(A) Camber (B) Sheer
(C) Free board (D) Trim
Ans: B
88. The cover made of brass, that protect the compass from sunlight, dust, rain, dew, frost etc, is called as
(A) Helmet (B) Gimbal
(C) Binnacle (D) Flinder bar
Ans: A
89. Which of the following are not economic goods.
(A) Fishes
(B) Houses
(C) Cars
(D) garbage
Ans: D
90. If we examine the sum of the behaviour of all firm/ business sector then it is called
(A) macro economies (B) micro economies
(C) behavioral economies (D) farm economies
Ans: A
91. Economics is the study of how people choose to use their scare resources to attempt to satisfy their ——— wants.
(A) general (B) personal (C) limited (D) unlimited
Ans: D
92. If there is enough of an item to satisfy wants even at a zero price, the item is said to be a
(A) economic good (B) free good
(C) factors of production (D) Scarcity
Ans: B
93. Any thing with a price on it is called
(A) economic good (B) free good
(C) input (D) output
Ans: A
94. In seasonalized Von Bertalanffy grown equation of fish, the term ‘C’ denotes.
(A) Summer point
(B) Amplitude of growth Oscillation
(C) Growth Coefficient
(D) Base of natural logarithm
Ans: C
95. While drawing profile view of a beat, a horizontal straight line drawn just under the lowest point of heel is
(A) Water line (B) Keel line
(C) Base line (D) Sheer
Ans: C
96. Ideal fishing method for capturing deep sea squids is
(A) Trawling (B) Gill netting (C) Squid jigging (D) Log lining
Ans: C
97. The state which possesses the highest (9.80 lakh ha) inland fisheries resources as per 2011 statistics is
(A) Andhra Pradesh (B) west Bengal (0) Tamil Nadu (D) Odisha
Ans: D
98. According to Hand book of fisheries statistics 2011 the state having as many as 813 fishing villages is
(A) West Bengal (B) Tamil Nadu (C) Gujarat (D) Odisha
Ans: D
99. The concept of opportunity coast serves as a useful economic tool in analysing the optimum resource allocation and relative price determination of
(A) demand (B) products
(C) supply (D) factors
Ans: B
100. The concept of cross elasticity is important in the case of commodities which are substitute and _________
(A) Comparable (B) Complementary
(C) Costly (D) Competitive
Ans: B
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