FISHERIES SCIENCE- PAGE 11
1. The scales of Cyprinidae are
(A) Ctenoid
(B) Cycloid
(C ) Ganoid
(D) Placoid
Ans: B
2. Sagitta sp. is commonly known as
(A) Arrow wort (B) Segmented worm
(C ) Comb jelling (D) Nekton
Ans: A
3. Coral larva is called as
(A) Nauplius (B) Veligers
(C ) Alima (D) Planula
Ans: D
4. The clams farmed in India is
(A) Perna viridis
(B) Perna indica
(C ) Meretrix casta
(D) Chelonia mydas
Ans: C
5. Barnacles are abundant in
(A) Rocky intertidal (B) Sandy intertidal (C ) Deep sea (D) Offshore
Ans: A
6. Mangroves are very common in
(A) Temperate region
(B) Polar region
(C ) Tropical region
(D) Offshore region
Ans: C
7. Largest fish producing state in India is
(A) Orissa (B) West Bengal
(C) Tamilnadu (D) Uttar Pradesh
Ans: B
8. NIO has head quarters at
(A) Chennai (B) Mumbai (C) Kochi (D) Panaji
Ans: D
9. FAQ fishing area (04) denotes
(A) Africa (B) America (C ) Asia (D) Europe
Ans: C
10. Primary data is generally collected from
(A) Bulletins (B) Field survey
(C) Annual reports (D) Published data base
Ans: B
11. Water body with addition of sewage and urban run off becomes
(A) Oligotrophic (B) Autotrophic (C ) Eutrophic (D) Dystrophic
Ans: C
12. Gracilaria is a
(A) Green seaweed (B) Brown seaweed
(C ) Red seaweed (D) None of the above
Ans: C
13. Fisheries investment projects are evaluated based on their
(A) IRR (B) IRRI (C) WTO (D) CRZ
Ans: A
14. First attempt to transplant trout in India was made at
(A) Himalayas (B) Kashmir (C) Simla (D) Nilgiris
Ans: D
15. A vessel’s capacity to carry cargo, fuel, passengers, etc is called
(A) Dead weight (B) Light ship weight
(C) GRT (D) Displacement
Ans: A
16. High density plastics are used in deep water trawls upto a depth of
(A) 100 m (B) 150 m (C ) 250 m (D) 350 m
Ans: C
17. Line fishing is
(A) Passive fishing gear (B) Used for pelagic carnivorous fishes
(C) Used for demersal carnivorous fishes (D) All the above
Ans: D
18. Trawling was introduced in India during
(A) 1990 (B) 1980 (C ) 1970 (D) 1950
Ans: C
19. The export of fish and fishery products from India is regulated by
(A) APEDA (B) DBT (C ) MPEDA (D) DOD
Ans: C
20. In Echeneis the sucking disc is the modification of
(A) Pectoral fin (B) Caudal fin
(C ) Dorsal fin (D) None of the above
Ans: C
21. BOBP was started in
(A) 1965 (B) 1985 (C ) 1979 (D) 2001
Ans: C
22. Bow picking gill netter will have wheel house in the
(A) Aft (B) Fore (C) Middle (D) Any where
Ans: A
23. Which of the following preservatives is mainly extracted from barks and roots?
(A) Tannin (B) Cinchona
(C) Saponin (D) Eucalyptus oil
Ans: A
24. The scientific name of Aini tree used in fishing craft fabrication
(A) Tectona grandis (B) Mangifera indica
(C) Bambax malabaricum (D) Artocarpus hirsutus
Ans: D
25. Aluminum float can withstand pressure upto
(A) 70 m (B) 80 m (C) 90 m (D) 60 m
Ans: B
26. Which one of the following is not a fishing gear accessory?
(A) Thimble (B) Shackle (C) Swivel (D) Fender
Ans: D
27. The country which built aluminium boat for the first time in the world is
(A) France (B) India (C) USA (D) Norway
Ans: A
28. The diameter of ‘sekiyama’ of tuna long line is mostly around
(A) 2.0mm (B) 1.6 mm (C) 3.0 mm (D) 5.0 mm
Ans: B
29. Which of the following gear is a modified gill net made up of 3 sheets of netting?
(A) Cast net (B) Trammel net
(C) Dip net (D) None of the above
Ans: B
30. The symbol used for yarn numbering in Tex system is
(A) Tex (B) D (C) Nm (D) Ne
Ans: A
31. CQR anchor is also known as
(A) Fisherman’s anchor (B) Plough anchor
(C) Stocked anchor (D) Five-pronged anchor
Ans: B
32. Anchor shackle is mainly used to connect
(A) Anchor and anchor cable
(B) Ropes
(C) Cable and ropes
(D) Anchor and ropes
Ans: A
33. Hydraulic dredge gears are used to catch
(A) Pelagic fishes (B) Molluscs and shrimps
(C) Predatory fishes (D) All
Ans: B
34. Auxiliary hearts in addition to usual hearts are found in
(A) Dolphin (B) Sharks
(C ) Hagfishes (D) Channa
Ans: C
35. Among the following which one is not an energy intensive fishing gear?
(A) Trawl gear (B) Surrounding nets
(C) Dredges (D) Light fishing
Ans: B
36. Separate trawls are specially designed to separate catch components using
(i) Horizontal panels
(ii) Obliquely placed rigid grids
(iii) Varying mesh sizes at the cod end
(iv) Modified wings
Of these
(A) (i) alone may be used
(B) Either (i) or (ii) may be used
(C) Both (iii) and (iv) may be used
(D) None of the above may be used
Ans: B
37. Secondary refrigerant used in ice plants
(A) Ammonia (B) SO2 (C ) Brine solution (D) Freon
Ans: C
38. Fish length measured from tip of the snout to the base of the caudal fin is
(A) Standard length (B) Head length
(C) Total length (D) Opercular length
Ans: A
39. Which part of the Echo sounder is placed below the hull of the fishing boat?
(A) Recorder (B) Transducer
(C) Transmitter (D) None 0fthese
Ans: B
40. Which of the following equipment is not containing mercury?
(A) Aneroid barometer (B) Thermometer
(C) Fortin’s barometer (D) All of the above
Ans: A
41. Radar makes use of high frequency radio waves are known as
(A) Micro waves (B) Short waves
(C) Sound waves (D) Ultrasonic waves
Ans: A
42. The pH during gastric activity in fish stomach is generally
(A) Alkaline (B) Acidic (C) Alkaline or acidic (D) None
Ans: B
43. An example for Internal Combustion engine
(A) Steam engine (B) Diesel engine
(C) Two stroke engine (D) Four stroke engine
Ans: B
44. Sinkers are used in tandem with floats to give fishing gear the
(i) Desired shape
(ii) Fishing orientation
(iii) Fishing position
Of these
(A) (i) alone is correct (B) (ii) alone is correct
(C) (iii) alone is correct (D) All are correct
Ans: D
45. Smoked fish products can cause severe health hazards due to the presence of
(A) Phenol (B) Formaldehyde (C ) Carcinogens (D) Alcohol
Ans: C
46. Guyot in the ocean floor is
(A) Elongated trough (B) Steep valley
(C) Pointed summit (D) Flat topped mountain
Ans: D
47. Xiphophorus helleri is
(A) Sword tail (B) Molly (C) Guppy (D) Tetra
Ans: A
48. In a four-stroke diesel engine, for every four operation cycle the number of revolutions of a crank shaft will be
(A) One (B) Two (C) Three (D) Four
Ans: B
49. Retort pouch processing of seafoods can only be processed using
(A) Over-pressure retort (B) Continuous retort
(C ) Open-type retort (D) None of the above
Ans: A
50. A special technique used in echo sounder to distinguish bottom dwelling fishes from the bottom of the sea
(A) TVG (B) Contour line technique
(C ) White line technique (D) Rhumb line technique
Ans: C
(A) Ctenoid
(B) Cycloid
(C ) Ganoid
(D) Placoid
Ans: B
2. Sagitta sp. is commonly known as
(A) Arrow wort (B) Segmented worm
(C ) Comb jelling (D) Nekton
Ans: A
3. Coral larva is called as
(A) Nauplius (B) Veligers
(C ) Alima (D) Planula
Ans: D
4. The clams farmed in India is
(A) Perna viridis
(B) Perna indica
(C ) Meretrix casta
(D) Chelonia mydas
Ans: C
5. Barnacles are abundant in
(A) Rocky intertidal (B) Sandy intertidal (C ) Deep sea (D) Offshore
Ans: A
6. Mangroves are very common in
(A) Temperate region
(B) Polar region
(C ) Tropical region
(D) Offshore region
Ans: C
7. Largest fish producing state in India is
(A) Orissa (B) West Bengal
(C) Tamilnadu (D) Uttar Pradesh
Ans: B
8. NIO has head quarters at
(A) Chennai (B) Mumbai (C) Kochi (D) Panaji
Ans: D
9. FAQ fishing area (04) denotes
(A) Africa (B) America (C ) Asia (D) Europe
Ans: C
10. Primary data is generally collected from
(A) Bulletins (B) Field survey
(C) Annual reports (D) Published data base
Ans: B
11. Water body with addition of sewage and urban run off becomes
(A) Oligotrophic (B) Autotrophic (C ) Eutrophic (D) Dystrophic
Ans: C
12. Gracilaria is a
(A) Green seaweed (B) Brown seaweed
(C ) Red seaweed (D) None of the above
Ans: C
13. Fisheries investment projects are evaluated based on their
(A) IRR (B) IRRI (C) WTO (D) CRZ
Ans: A
14. First attempt to transplant trout in India was made at
(A) Himalayas (B) Kashmir (C) Simla (D) Nilgiris
Ans: D
15. A vessel’s capacity to carry cargo, fuel, passengers, etc is called
(A) Dead weight (B) Light ship weight
(C) GRT (D) Displacement
Ans: A
16. High density plastics are used in deep water trawls upto a depth of
(A) 100 m (B) 150 m (C ) 250 m (D) 350 m
Ans: C
17. Line fishing is
(A) Passive fishing gear (B) Used for pelagic carnivorous fishes
(C) Used for demersal carnivorous fishes (D) All the above
Ans: D
18. Trawling was introduced in India during
(A) 1990 (B) 1980 (C ) 1970 (D) 1950
Ans: C
19. The export of fish and fishery products from India is regulated by
(A) APEDA (B) DBT (C ) MPEDA (D) DOD
Ans: C
20. In Echeneis the sucking disc is the modification of
(A) Pectoral fin (B) Caudal fin
(C ) Dorsal fin (D) None of the above
Ans: C
21. BOBP was started in
(A) 1965 (B) 1985 (C ) 1979 (D) 2001
Ans: C
22. Bow picking gill netter will have wheel house in the
(A) Aft (B) Fore (C) Middle (D) Any where
Ans: A
23. Which of the following preservatives is mainly extracted from barks and roots?
(A) Tannin (B) Cinchona
(C) Saponin (D) Eucalyptus oil
Ans: A
24. The scientific name of Aini tree used in fishing craft fabrication
(A) Tectona grandis (B) Mangifera indica
(C) Bambax malabaricum (D) Artocarpus hirsutus
Ans: D
25. Aluminum float can withstand pressure upto
(A) 70 m (B) 80 m (C) 90 m (D) 60 m
Ans: B
26. Which one of the following is not a fishing gear accessory?
(A) Thimble (B) Shackle (C) Swivel (D) Fender
Ans: D
27. The country which built aluminium boat for the first time in the world is
(A) France (B) India (C) USA (D) Norway
Ans: A
28. The diameter of ‘sekiyama’ of tuna long line is mostly around
(A) 2.0mm (B) 1.6 mm (C) 3.0 mm (D) 5.0 mm
Ans: B
29. Which of the following gear is a modified gill net made up of 3 sheets of netting?
(A) Cast net (B) Trammel net
(C) Dip net (D) None of the above
Ans: B
30. The symbol used for yarn numbering in Tex system is
(A) Tex (B) D (C) Nm (D) Ne
Ans: A
31. CQR anchor is also known as
(A) Fisherman’s anchor (B) Plough anchor
(C) Stocked anchor (D) Five-pronged anchor
Ans: B
32. Anchor shackle is mainly used to connect
(A) Anchor and anchor cable
(B) Ropes
(C) Cable and ropes
(D) Anchor and ropes
Ans: A
33. Hydraulic dredge gears are used to catch
(A) Pelagic fishes (B) Molluscs and shrimps
(C) Predatory fishes (D) All
Ans: B
34. Auxiliary hearts in addition to usual hearts are found in
(A) Dolphin (B) Sharks
(C ) Hagfishes (D) Channa
Ans: C
35. Among the following which one is not an energy intensive fishing gear?
(A) Trawl gear (B) Surrounding nets
(C) Dredges (D) Light fishing
Ans: B
36. Separate trawls are specially designed to separate catch components using
(i) Horizontal panels
(ii) Obliquely placed rigid grids
(iii) Varying mesh sizes at the cod end
(iv) Modified wings
Of these
(A) (i) alone may be used
(B) Either (i) or (ii) may be used
(C) Both (iii) and (iv) may be used
(D) None of the above may be used
Ans: B
37. Secondary refrigerant used in ice plants
(A) Ammonia (B) SO2 (C ) Brine solution (D) Freon
Ans: C
38. Fish length measured from tip of the snout to the base of the caudal fin is
(A) Standard length (B) Head length
(C) Total length (D) Opercular length
Ans: A
39. Which part of the Echo sounder is placed below the hull of the fishing boat?
(A) Recorder (B) Transducer
(C) Transmitter (D) None 0fthese
Ans: B
40. Which of the following equipment is not containing mercury?
(A) Aneroid barometer (B) Thermometer
(C) Fortin’s barometer (D) All of the above
Ans: A
41. Radar makes use of high frequency radio waves are known as
(A) Micro waves (B) Short waves
(C) Sound waves (D) Ultrasonic waves
Ans: A
42. The pH during gastric activity in fish stomach is generally
(A) Alkaline (B) Acidic (C) Alkaline or acidic (D) None
Ans: B
43. An example for Internal Combustion engine
(A) Steam engine (B) Diesel engine
(C) Two stroke engine (D) Four stroke engine
Ans: B
44. Sinkers are used in tandem with floats to give fishing gear the
(i) Desired shape
(ii) Fishing orientation
(iii) Fishing position
Of these
(A) (i) alone is correct (B) (ii) alone is correct
(C) (iii) alone is correct (D) All are correct
Ans: D
45. Smoked fish products can cause severe health hazards due to the presence of
(A) Phenol (B) Formaldehyde (C ) Carcinogens (D) Alcohol
Ans: C
46. Guyot in the ocean floor is
(A) Elongated trough (B) Steep valley
(C) Pointed summit (D) Flat topped mountain
Ans: D
47. Xiphophorus helleri is
(A) Sword tail (B) Molly (C) Guppy (D) Tetra
Ans: A
48. In a four-stroke diesel engine, for every four operation cycle the number of revolutions of a crank shaft will be
(A) One (B) Two (C) Three (D) Four
Ans: B
49. Retort pouch processing of seafoods can only be processed using
(A) Over-pressure retort (B) Continuous retort
(C ) Open-type retort (D) None of the above
Ans: A
50. A special technique used in echo sounder to distinguish bottom dwelling fishes from the bottom of the sea
(A) TVG (B) Contour line technique
(C ) White line technique (D) Rhumb line technique
Ans: C
51. Colourless and odourless refrigerant is
(A) Ammonia (B) Nitrous oxide (C ) Freon (D) Oxygen
Ans: C
52. Carbonyls is produced from this substrate
(A) Lipids (B) Proteins (C) Histidine (D) Urea
Ans: A
53. The use of kola valai is very common in one of the following states
(A) Maharastra (B) Kerala (C ) Tamilnadu (D) Gujarat
Ans: C
54. Lines drawn on special charts joining all places with the same variation are known as
(A) Rhumb line (B) Isogonic lines (C) Marine lines (D) None of these
Ans: B
55. Colour used to express distress message
(A) Orange and red (B) White and black (C) Yellow and green (D) None of these
Ans: A
56. Zero degree longitude is
(A) Greenwich meridian (B) Equator
(C ) Rhumb line (D) None of them
Ans: A
57. Direction of terrestrial object from the vessel is known as
(A) Bearing (B) Azimuth (C) Course (D) Ship’s head
Ans: A
58. Which of the following is the satellite aided life saving appliances?
(A) EPIRB (B) SART (C) RADAR (D) SONAR
Ans: A
59. The smoke-cured dried tuna fish product is called as
(A) Satsuma-age (B) Fushi (C) Dry stick (D) Sushi
Ans: B
60. In Srilanka, ‘Colombo curing process’ is also called as
(A) Marinating (B) Jadi
(C) Soaking (D) Concentrating
Ans: B
61. The level of rancidity in fish during storage can be determined by estimating
(A) Biological values (B) TBA value
(C) Total fatty acid values (D) Total amino acid value
Ans: B
62. In autolytic spoilage, nucleotide degradation results in
(i) IMP, that gives a desirable and characteristic flavour to fish
(ii) Hx, which imparts sour taste to fish
(iii) Ammonia which imparts off odour to fish
Among these statements
(A) (i) and (ii) are correct (B) (i) and (iii) are correct
(C) (ii) and (iii) are correct (D) All are correct
Ans: B
63. Black spot formation in shrimp is mediated by the enzyme
(i) Polyphenol oxidase
(ii) Tyrosinase
(iii) Dismutase
(iv) Hydrolase
Of these statement
(A) (i) and (ii) are correct (B) (iii) and (iv) are correct
(C) (ii) alone is correct (D) All are correct
Ans: A
64. Fishing boats of different states are aligned. Identify the mismatch from the following.
(A) Gujarat— Machwa (B) Karnataka—Rampani
(C) Orissa—Botali (D) West Bengal—Masodi
Ans: D
65. Angle between compass needle and magnetic meridian is
(A) Variation (B) Course (C) Position (D) Deviation
Ans: D
66. Anchovies belongs to the family,
(A) Cymatidae (B) Clupeidae (C) Carapidae (D) Engraulidae
Ans: D
67. Which of the following is largely responsible for the quick spoilage of marine fish?
(A) TMAO (B) High bacterial load in slime
(C) Lipids (D) None of the above
Ans: A
68. Liquid refrigerants have
(A) High boiling points and high latent heats of evaporation
(B) Low boiling points and low latent heats of evaporation
(C) Low boiling points and high latent heats of evaporation
(D) High boiling points and low latent heats of evaporation
Ans: A
69. The refrigerant 717 refers to
(A) Nitrogen (B) Ammonia (C) Carbon dioxide (D) Phosphene
Ans: B
70. For bulk freezing, freezer of the following type is more appropriate
(A) Sharp freezer (B) Air blast freezer
(C) Contact plate freezer (D) Fluidized bed freezer
Ans: B
71. Which of the following items is an antioxidant of fish oil?
(A) Butylated hydroxyl anisole (B) Phospholipids
(C ) Trisodium citrate (D) Triglyceryl alcohol
Ans: A
72. The chemical substance which is present in shark liver oil is known to reduce the risk of cancer is
(A) Vitamin A and D
(B) Vitamin E
(C)Squalene
(D) Urea
Ans: C
73. The principles of ‘Accelerated freeze drying’ is
(A) Drying (B) Freezing (C ) Sublimation (D) All the above
Ans: C
74. The headspace requirement in cans used in fish canning to create partial vacuum is
(A) 11—12 mm (B) 8—10 mm (C ) 4—6 mm (D) 1—2 mm
Ans: C
75. The ‘curd formation' in canned fish is reduced by
(A) Citric acid (B) Sodium chloride (C) Polyphosphates (D) EDTA
Ans: A
76. Leaker spoilage occurs due to
(A) Faulty retort operations (B) Improper handling
(C) Poor cooling water quality (D) All the above
Ans: D
77. Hydrogen swell in cans may result due to
(A) Inadequate cooling (B) Internal corrosion of cans
(C) Microbial activity (D) Over filling
Ans: B
78. Non-enzymatic lipid oxidation in frozen fish is enhanced by
(A) Iron (B) Cobalt (C) Copper (D) All the above
Ans: D
79. Unio is
(A) Shrimp (B) Carp
(C ) Freshwater mussel (D) Crab
Ans: C
80. Glazes like citric acid, ascorbic acid and salt glucose mixture
(A) Have no effect on bacterial numbers in frozen fish
(B) Decrease the bacterial numbers on short-term storage
(C ) Decrease the bacterial numbers on long-term storage
(D) Increase the bacterial numbers
Ans: C
81. ‘Pink' or ‘Dun‘ spoilage is common in
(A) Iced Fish (B) Smoked Fish (C ) Salted Fish (D) Canned fish
Ans: C
82. ‘Botulism’ is caused due to
(A) Neurotoxin (B) Haemotoxin (C) Sarotoxin (D) Viruses
Ans: A
83. ‘Self brine’ is the term associated with
(A) Canning (B) Pickling (C) Smoking (D) Salting
Ans: B
84. The family synodidae consists of
(A) Goat fishes (B) Flying fish (C) Ribbon fish (D) Bombay duck
Ans: D
85. Fat in the muscle consists mainly of
(A) Phospholipids (B) Cholesterol (C ) Triglycerides (D) None of these
Ans: C
86. Predusting is a process to be carried out in the production of
(A) Battered and breaded product (B) Surimi
(C) Masmin (D) Fish soup powder
Ans: A
87. Which type of fish is best suited for smoking?
(A) Lean and small fish (B) Fish with high fat
(C) Fish with low fat (D) Fish with moderate levels of fat
Ans: B
88. Fish maws/Isinglass chiefly consists of
(A) Collagen (B) Gelatin
(C) Thrombin (D) Stroma protein
Ans: A
89. The best tropical species for ‘surimi product development’ is
(A) Alaska Pollock (B) Thread fin bream (C) Horse mackerel (D) Barracuda
Ans: B
90. The following sea cucumber rank first for the processing of Trepang
(A) H. nobilis (B) H. scabra (C) H. atra (D) None of these
Ans: A
91. Carrageenan is prepared from the seaweed
(A) Chondrus crispus (B) Ulva sp. (C) Sargassum sp. (D) None
Ans: A
92. This equipment is used to assess the dielectric properties of fish
(A) GR Torrymeter (B) pH meter (C) DO meter (D) All the above
Ans: A
93. The material of choice for bulk packaging of dried fish is
(A) HDPE woven gusseted bags (B) Plywood boxes
(C ) Corrugated boxes (D) LDPE bags
Ans: A
94. The most popular sea transport containers are known as
(A) 40' and 80’ containers (B) 20' and 40’ containers
(C) 10' and 20’ containers (D) None of the above
Ans: B
95. AFD products have to be packed in
(A) Air pack (B) Inert gas
(C) Retort pouch packs (D) Vacuum pack
Ans: B
96. Packaging material used for AFD products should protects the materials from rancidity and adsorption of water and therefore must have
(A) High tensile strength
(B) Low tensile strength
(C ) Low oxygen and water vapour transmission rate
(D) High oxygen and water vapour transmission rate
Ans: C
97. Which one of the following gases is used in modified Atmospheric packaging?
(A) Nitrous oxide (B) Carbon dioxide
(C) Hydrogen (D) Phosphene
Ans: B
98. Frozen blocks of fish are packed in
(A) Polythene sheet (B) Duplex cartons
(C) Corrugated board (D) None of the above
Ans: B
99. The most common forms of retort pouch is
(A) PEs/AL/PP
(B) PP/AL/PEs
(C) PEs/PP/AL
(D) PP/PEs/AL
Ans: A
100. Packaging corrugated fibre boards are subjected to Cobb's test to evaluate
(A) Bursting strength (B) Pressure resistance
(C ) Whiter proofness (D) Compression strength
Ans: C
(A) Ammonia (B) Nitrous oxide (C ) Freon (D) Oxygen
Ans: C
52. Carbonyls is produced from this substrate
(A) Lipids (B) Proteins (C) Histidine (D) Urea
Ans: A
53. The use of kola valai is very common in one of the following states
(A) Maharastra (B) Kerala (C ) Tamilnadu (D) Gujarat
Ans: C
54. Lines drawn on special charts joining all places with the same variation are known as
(A) Rhumb line (B) Isogonic lines (C) Marine lines (D) None of these
Ans: B
55. Colour used to express distress message
(A) Orange and red (B) White and black (C) Yellow and green (D) None of these
Ans: A
56. Zero degree longitude is
(A) Greenwich meridian (B) Equator
(C ) Rhumb line (D) None of them
Ans: A
57. Direction of terrestrial object from the vessel is known as
(A) Bearing (B) Azimuth (C) Course (D) Ship’s head
Ans: A
58. Which of the following is the satellite aided life saving appliances?
(A) EPIRB (B) SART (C) RADAR (D) SONAR
Ans: A
59. The smoke-cured dried tuna fish product is called as
(A) Satsuma-age (B) Fushi (C) Dry stick (D) Sushi
Ans: B
60. In Srilanka, ‘Colombo curing process’ is also called as
(A) Marinating (B) Jadi
(C) Soaking (D) Concentrating
Ans: B
61. The level of rancidity in fish during storage can be determined by estimating
(A) Biological values (B) TBA value
(C) Total fatty acid values (D) Total amino acid value
Ans: B
62. In autolytic spoilage, nucleotide degradation results in
(i) IMP, that gives a desirable and characteristic flavour to fish
(ii) Hx, which imparts sour taste to fish
(iii) Ammonia which imparts off odour to fish
Among these statements
(A) (i) and (ii) are correct (B) (i) and (iii) are correct
(C) (ii) and (iii) are correct (D) All are correct
Ans: B
63. Black spot formation in shrimp is mediated by the enzyme
(i) Polyphenol oxidase
(ii) Tyrosinase
(iii) Dismutase
(iv) Hydrolase
Of these statement
(A) (i) and (ii) are correct (B) (iii) and (iv) are correct
(C) (ii) alone is correct (D) All are correct
Ans: A
64. Fishing boats of different states are aligned. Identify the mismatch from the following.
(A) Gujarat— Machwa (B) Karnataka—Rampani
(C) Orissa—Botali (D) West Bengal—Masodi
Ans: D
65. Angle between compass needle and magnetic meridian is
(A) Variation (B) Course (C) Position (D) Deviation
Ans: D
66. Anchovies belongs to the family,
(A) Cymatidae (B) Clupeidae (C) Carapidae (D) Engraulidae
Ans: D
67. Which of the following is largely responsible for the quick spoilage of marine fish?
(A) TMAO (B) High bacterial load in slime
(C) Lipids (D) None of the above
Ans: A
68. Liquid refrigerants have
(A) High boiling points and high latent heats of evaporation
(B) Low boiling points and low latent heats of evaporation
(C) Low boiling points and high latent heats of evaporation
(D) High boiling points and low latent heats of evaporation
Ans: A
69. The refrigerant 717 refers to
(A) Nitrogen (B) Ammonia (C) Carbon dioxide (D) Phosphene
Ans: B
70. For bulk freezing, freezer of the following type is more appropriate
(A) Sharp freezer (B) Air blast freezer
(C) Contact plate freezer (D) Fluidized bed freezer
Ans: B
71. Which of the following items is an antioxidant of fish oil?
(A) Butylated hydroxyl anisole (B) Phospholipids
(C ) Trisodium citrate (D) Triglyceryl alcohol
Ans: A
72. The chemical substance which is present in shark liver oil is known to reduce the risk of cancer is
(A) Vitamin A and D
(B) Vitamin E
(C)Squalene
(D) Urea
Ans: C
73. The principles of ‘Accelerated freeze drying’ is
(A) Drying (B) Freezing (C ) Sublimation (D) All the above
Ans: C
74. The headspace requirement in cans used in fish canning to create partial vacuum is
(A) 11—12 mm (B) 8—10 mm (C ) 4—6 mm (D) 1—2 mm
Ans: C
75. The ‘curd formation' in canned fish is reduced by
(A) Citric acid (B) Sodium chloride (C) Polyphosphates (D) EDTA
Ans: A
76. Leaker spoilage occurs due to
(A) Faulty retort operations (B) Improper handling
(C) Poor cooling water quality (D) All the above
Ans: D
77. Hydrogen swell in cans may result due to
(A) Inadequate cooling (B) Internal corrosion of cans
(C) Microbial activity (D) Over filling
Ans: B
78. Non-enzymatic lipid oxidation in frozen fish is enhanced by
(A) Iron (B) Cobalt (C) Copper (D) All the above
Ans: D
79. Unio is
(A) Shrimp (B) Carp
(C ) Freshwater mussel (D) Crab
Ans: C
80. Glazes like citric acid, ascorbic acid and salt glucose mixture
(A) Have no effect on bacterial numbers in frozen fish
(B) Decrease the bacterial numbers on short-term storage
(C ) Decrease the bacterial numbers on long-term storage
(D) Increase the bacterial numbers
Ans: C
81. ‘Pink' or ‘Dun‘ spoilage is common in
(A) Iced Fish (B) Smoked Fish (C ) Salted Fish (D) Canned fish
Ans: C
82. ‘Botulism’ is caused due to
(A) Neurotoxin (B) Haemotoxin (C) Sarotoxin (D) Viruses
Ans: A
83. ‘Self brine’ is the term associated with
(A) Canning (B) Pickling (C) Smoking (D) Salting
Ans: B
84. The family synodidae consists of
(A) Goat fishes (B) Flying fish (C) Ribbon fish (D) Bombay duck
Ans: D
85. Fat in the muscle consists mainly of
(A) Phospholipids (B) Cholesterol (C ) Triglycerides (D) None of these
Ans: C
86. Predusting is a process to be carried out in the production of
(A) Battered and breaded product (B) Surimi
(C) Masmin (D) Fish soup powder
Ans: A
87. Which type of fish is best suited for smoking?
(A) Lean and small fish (B) Fish with high fat
(C) Fish with low fat (D) Fish with moderate levels of fat
Ans: B
88. Fish maws/Isinglass chiefly consists of
(A) Collagen (B) Gelatin
(C) Thrombin (D) Stroma protein
Ans: A
89. The best tropical species for ‘surimi product development’ is
(A) Alaska Pollock (B) Thread fin bream (C) Horse mackerel (D) Barracuda
Ans: B
90. The following sea cucumber rank first for the processing of Trepang
(A) H. nobilis (B) H. scabra (C) H. atra (D) None of these
Ans: A
91. Carrageenan is prepared from the seaweed
(A) Chondrus crispus (B) Ulva sp. (C) Sargassum sp. (D) None
Ans: A
92. This equipment is used to assess the dielectric properties of fish
(A) GR Torrymeter (B) pH meter (C) DO meter (D) All the above
Ans: A
93. The material of choice for bulk packaging of dried fish is
(A) HDPE woven gusseted bags (B) Plywood boxes
(C ) Corrugated boxes (D) LDPE bags
Ans: A
94. The most popular sea transport containers are known as
(A) 40' and 80’ containers (B) 20' and 40’ containers
(C) 10' and 20’ containers (D) None of the above
Ans: B
95. AFD products have to be packed in
(A) Air pack (B) Inert gas
(C) Retort pouch packs (D) Vacuum pack
Ans: B
96. Packaging material used for AFD products should protects the materials from rancidity and adsorption of water and therefore must have
(A) High tensile strength
(B) Low tensile strength
(C ) Low oxygen and water vapour transmission rate
(D) High oxygen and water vapour transmission rate
Ans: C
97. Which one of the following gases is used in modified Atmospheric packaging?
(A) Nitrous oxide (B) Carbon dioxide
(C) Hydrogen (D) Phosphene
Ans: B
98. Frozen blocks of fish are packed in
(A) Polythene sheet (B) Duplex cartons
(C) Corrugated board (D) None of the above
Ans: B
99. The most common forms of retort pouch is
(A) PEs/AL/PP
(B) PP/AL/PEs
(C) PEs/PP/AL
(D) PP/PEs/AL
Ans: A
100. Packaging corrugated fibre boards are subjected to Cobb's test to evaluate
(A) Bursting strength (B) Pressure resistance
(C ) Whiter proofness (D) Compression strength
Ans: C
Related Pages
- Fisheries Science -5 MCQ
- Fisheries Science- Page 1-100 MCQ
- Fisheries Science- Page 2-100 MCQ
- Fisheries Science- Page 3-100 MCQ
- Fisheries Science- Page 4-100 MCQ
- Fisheries Science- Page 5-100 MCQ
- Fisheries Science- Page 6-100 MCQ
- Fisheries Science- Page 7-100 MCQ
- Fisheries Science- Page 8 -100 MCQ
- Fisheries Science- Page 9- 100 MCQ
- Fisheries Science- Page 10- 100 MCQ
- Fisheries Science- Page 11- 100 MCQ
- Fisheries Science- Page 12- 100 MCQ
- Fisheries Science- Page 13- 28 MCQ
- Fisheries Science Notes - 466 One word Questions
- Fishing Craft and Gear Technology -100 MCQ
- Fishing Craft and Gear Technology- Page 1- 29 MCQ
- Fisheries Science- Aquaculture -100 MCQ
- Fisheries Science- Aquaculture- Page 1- 100 MCQ
- Fisheries Science- Aquaculture- Page 2 - 22 MCQ
- Fisheries Science- Fish Processing - 39 MCQ
- Fisheries Science- Economics- 4 MCQ
- Fisheries Science- Extension- 11 MCQ
- Fisheries Science- Capture Fisheries - 5 MCQ
- Fisheries Science- Pathology- 10 MCQ
- Fisheries Science- Biotechnology- 6 MCQ
- Fisheries Science- Rajasthan- 8 MCQ
- Fisheries Science- Kerala- 1 MCQ