FISHERIES SCIENCE- PAGE 4
1. Which of the following refrigerant is not in use nowadays due to toxic in nature?
2. In IC engines, during compression stroke
3. Which of the following fish processing machinery works with the principle of sublimation?
4. The floor space requirement for a typical Block Ice manufacturing unit of 50 ton/ 24 h capacity is ________ square metre.
5. In contact freezer, it is ideal to have a product thickness of less than _____ mm
6. The typical freezing rate for Quick freezing in a continuous air blast freezer is _____ mm/h
7. Amount of water present in the fish which remains as unfrozen even at very low temperature is called ____ water
8. __________ is a system where in sea water is cooled by mixing it with ice
9. _______ bacteria is responsible for flat sour spoilage in canned fish
10. ________ is the process by which air from the can contents and the head space of billed can is removed before the can is sealed
11. In Elasmobranchs, ______ protein is on the higher side due to the presence of urea
12. Carrageenan in which pyruvate is present is called
13. The extract concentrate finally obtained dry agar agar production from gracilaria range from ____% as the maximum
14. Agar structurally contain ______ and an morganic sulphate bonded to the carbohydrate
15. Total hydrolysable carbohydrates in seaweeds average _____% on dry weight basis.
16. Cleaned, desalted, air dried and hardened swim bladders of fish are called
17. In Bromolein assested hydroly is in FPH productions _____ is added as an emulsifier on the preparation of water-fat emulsion
18. In modified atmospheric packaged fresh seafood products, the lag phase of bacterial growth is extended upto ___ days
19. ____ is a type of packaging that changes the condition of the packaged food to extend shelf life or improve safety or sensory property while maintaining the quality of the food.
20. Polyurethene adhesives cured by an ________ is used for bonding laminates in retort pouch making.
21. Litwel-N (LTW-N) in the new type of packaging material introduced by Japan for
22. In IQF packaging, the laminated film used in duplex carton to improve its functional property is ______ of 10-micron size
23. _______ is a packaging material which can tolerate temperature upto 220 deg C and can be reheated in both microwave and conventional ovens
24. _____ is a grease proof sulphite paper, which is given a high gloss finish by the finishing rollers.
25. A fish is considered fit for human consumption even if it contains
26. Which one is a surfactant used in cleaning and disinfection process in the food industry?
27. Which is a CCP and not a critical limit?
28. How many principles are there in HACCP system?
29. Which one of the following functions is not under MPEDA’s focus?
30. The major aminoacids used to as supplements as chemoattractants in fish feed are
31. The feeder that utilizes high or low pressure air stream to dispense feed are
32. The most effective method of removing chlorine from water is by treatment with
33. “Ice-Ice” is a disease observed in
34. Fusarium species is a ______ pathogen mainly in penaeid prawn hatchery
35. The trace element required for haemocyanin in invertebrates is
36. __________ is not complete after creation of utility, unless it acquires value in exchange in the market.
A. Consumption
B. Utility
C. Production
D. Satisfaction
Ans: C
37. When ___ profit is earned by the existing firms, there will be no new entry in the competitive market or the industry.
A. Constant
B. Cyclical
C. Abnormal
D. Normal
Ans: D
38. When a lesser quantity of sardine fish has a demand with rise in price, there is _____ of demand.
39. The price, income, habit, taste and availability of substitute determines
40. An additional weight carried on the boat for either ensuring proper stability condition or economy of propulsion or for correction of list is called as
41. Of the given fishing practice, the most ecofriendly type is
42. The gastropod shell listed under schedule IV and WPA is
43. Remove the odd one:
44. Malabar sole are caught by ________ gear
45. Diseases not caused by microorganisms
46. This biological filter used in aquarium has the gravel bed replaced with foam bed through water is filtered
47. The number of nylon yarn is 210 denier means
48. The chemical name of nylon is
49. Type of condenser used in household refrigerator is
50. Amount of heat to be added or removed to raise or lower the temperature of one gram water by one degree Celsius is called as
- Freon
- Carbondioxide
- Sulphurdioxide
- Ammonia
2. In IC engines, during compression stroke
- Both inlet and exhaust valves will be opened
- Both inlet and exhaust valves will be closed
- Inlet valve also opened
- Exhaust valve alone opened
3. Which of the following fish processing machinery works with the principle of sublimation?
- Tunnel freezer
- Deep freezer
- Smoking Kiln
- Freeze- drier
4. The floor space requirement for a typical Block Ice manufacturing unit of 50 ton/ 24 h capacity is ________ square metre.
- 10
- 50
- 90
- 190
5. In contact freezer, it is ideal to have a product thickness of less than _____ mm
- 40
- 60
- 80
- 90
6. The typical freezing rate for Quick freezing in a continuous air blast freezer is _____ mm/h
- 1
- 3-15
- 12-25
- 15-20
7. Amount of water present in the fish which remains as unfrozen even at very low temperature is called ____ water
- Free water
- Bound water
- Freeze water
- Freeze loss
8. __________ is a system where in sea water is cooled by mixing it with ice
- RSW
- CSW
- MSW
- ASW
9. _______ bacteria is responsible for flat sour spoilage in canned fish
- Bacillus stearothermophilus
- Pseudomonas spp
- Listeria monocytogene
- Vibrio parahaemolytics
10. ________ is the process by which air from the can contents and the head space of billed can is removed before the can is sealed
- Retorting
- Seaming
- Exhausting
- Blanching
11. In Elasmobranchs, ______ protein is on the higher side due to the presence of urea
- Myofibrillar protein
- Sarcoplasmic protein
- Stroma protein
- Connective tissue
12. Carrageenan in which pyruvate is present is called
- Irishmors
- Pyrocarrageen
- Pi-carrageenan
- Kappa-carrageenan
13. The extract concentrate finally obtained dry agar agar production from gracilaria range from ____% as the maximum
- 0.1-0.2
- 0.8-1.5
- 1.7-2.2
- 2.4-4.0
14. Agar structurally contain ______ and an morganic sulphate bonded to the carbohydrate
- Fructose
- Sucrose
- Galactose
- Mannose
15. Total hydrolysable carbohydrates in seaweeds average _____% on dry weight basis.
- 6
- 6.6
- 16.6
- 31.6
16. Cleaned, desalted, air dried and hardened swim bladders of fish are called
- Dry bladders
- Fish maws
- Budu
- Beache-de-mer
17. In Bromolein assested hydroly is in FPH productions _____ is added as an emulsifier on the preparation of water-fat emulsion
- Papain
- Citrate buffer
- Sorbitan monostearate
- Monosodium Glutamate
18. In modified atmospheric packaged fresh seafood products, the lag phase of bacterial growth is extended upto ___ days
- 3
- 5
- 6
- 12
19. ____ is a type of packaging that changes the condition of the packaged food to extend shelf life or improve safety or sensory property while maintaining the quality of the food.
- Vacuum packaging
- Cook-chill pack
- Active packaging
- Edible film
20. Polyurethene adhesives cured by an ________ is used for bonding laminates in retort pouch making.
- Aliphatic Isocyanate
- Aromatic Isocyanate
- Aliphatic Isothionate
- Aromatic Isothionate
21. Litwel-N (LTW-N) in the new type of packaging material introduced by Japan for
- Surimi packs
- Sashimi tuna
- Food and beverage cans
- JQF products
22. In IQF packaging, the laminated film used in duplex carton to improve its functional property is ______ of 10-micron size
- Biaxially oriented poly propene
- Linear low density poly ethylene
- Poly styrene
- High density polythene
23. _______ is a packaging material which can tolerate temperature upto 220 deg C and can be reheated in both microwave and conventional ovens
- LDPE
- LLDPE
- Polypropylene
- Crystallized polyester
24. _____ is a grease proof sulphite paper, which is given a high gloss finish by the finishing rollers.
- Kraft paper
- Paper board
- Glassine
- Carton
25. A fish is considered fit for human consumption even if it contains
- Biotoxins
- Chemical contaminants
- Excess fat
- Parasites
26. Which one is a surfactant used in cleaning and disinfection process in the food industry?
- Chlorine
- Iodine
- Paracetic acid
- Quarternary ammonium compounds
27. Which is a CCP and not a critical limit?
- Brine concentration in cured fish
- Food handler hygiene
- pH values in fermented fish
- Water activity values in dried fish
28. How many principles are there in HACCP system?
- Five
- Seven
- Twelve
- Nine
29. Which one of the following functions is not under MPEDA’s focus?
- Registration of infrastructural facilities for seafood export trade
- Implementation of effective surveillance system to ensure compliance
- Promotion of deep-sea fishing projects
- Collection and dissemination of trade information
30. The major aminoacids used to as supplements as chemoattractants in fish feed are
- Lysine-Methionine
- Arginine- histidine
- Threonine- valine
- Lysine-leucine
31. The feeder that utilizes high or low pressure air stream to dispense feed are
- Drop feeders
- Pneumatic feeder
- Auger feeder
- Disc feeder
32. The most effective method of removing chlorine from water is by treatment with
- Sodium thiosulfate
- Sodium bicarbonate
- Zeolite
- Glutaraldehyde
33. “Ice-Ice” is a disease observed in
- Salmonids
- Cyprinids
- Sea cucumber
- Seaweeds
34. Fusarium species is a ______ pathogen mainly in penaeid prawn hatchery
- Bacteria
- Fungi
- Protozoan
- Virus
35. The trace element required for haemocyanin in invertebrates is
- Cobalt
- Copper
- Zinc
- Iron
36. __________ is not complete after creation of utility, unless it acquires value in exchange in the market.
A. Consumption
B. Utility
C. Production
D. Satisfaction
Ans: C
37. When ___ profit is earned by the existing firms, there will be no new entry in the competitive market or the industry.
A. Constant
B. Cyclical
C. Abnormal
D. Normal
Ans: D
38. When a lesser quantity of sardine fish has a demand with rise in price, there is _____ of demand.
- Increase
- Contraction
- Extension
- Decrease
39. The price, income, habit, taste and availability of substitute determines
- Potential demand
- Derived demand
- Market demand
- An individual demand
40. An additional weight carried on the boat for either ensuring proper stability condition or economy of propulsion or for correction of list is called as
- Awning
- Heel
- Ballast
- Free Board
41. Of the given fishing practice, the most ecofriendly type is
- Dynamiting
- Fishing with poisonous plant
- Fishing with bleaches
- Gill netting
42. The gastropod shell listed under schedule IV and WPA is
- Cassis cornuta
- Cypraea talpa
- Conus malneedwardsi
- Tridaena maxima
43. Remove the odd one:
- Meretrix casta
- Paphia malabarica
- Mercia opima
- Pinctada fucata
44. Malabar sole are caught by ________ gear
- Trawl net
- Sardine Gill net
- Long line
- Hand line
45. Diseases not caused by microorganisms
- Dietary toxicity
- Bacterial disease
- Fungal disease
- Viral disease
46. This biological filter used in aquarium has the gravel bed replaced with foam bed through water is filtered
- Air lift box filter
- Sponge filter
- Undergravel filter
- Mechanical filter
47. The number of nylon yarn is 210 denier means
- 1000 m lengthy single yarn weighs 210 g
- 9000 m lengthy single yarn weighs 210 g
- 1000 m lengthy single yarn weighs 210 mg
- 9000 m lengthy single yarn weighs 210 mg
48. The chemical name of nylon is
- Vinylidene
- Polyamide
- Polyvinyl chloride
- Polyvinyl alcohol
49. Type of condenser used in household refrigerator is
- Natural air cooled
- Forced air cooled
- Shell and tube
- Shell and coil
50. Amount of heat to be added or removed to raise or lower the temperature of one gram water by one degree Celsius is called as
- One BTU
- One degree Kelvin
- One kilo calorie
- One calorie
51. Boyles law describes the relationship between
52. The term “wonder net” is related to
53. Remove the odd one out:
54. Cutlass fishes belong to the family
55. The longest larval stage in marine invertebrates is the
56. A PCR- based technique that requires reference gene sequences in the databases to authenticate the fish species through phylogenetic analysis is
57. Those statistics which will assess the fish population is termed as ______ statistics.
58. The difference of rates involved between the producer’s price and the consumer’s price is called as ___
59. ______ utility is given to fishes by making available in different areas, where it is not/less available to fetch a good price.
60. Which is the major port to handle frozen export from West Coast of India?
61. International fish trade has been increasing at a rapid level in recent decades facilitated by the widespread use of
62. In which of the following fish, pyloric caecae are present
63. __________ is a traditional smoke cured product prepared from Tuna in India
64. When we plot equilibrium moisture content against water activity for particular or range of temperature in a food product, the resultant curve obtained is called ______ curves.
65. Accumulation of lactic acid in muscle lowers pH of the fish flesh, makes it firmer resulting in increase of ______
66. _______ enzyme is responsible for post harvest discolouration in crustaceans.
67. The other name of “dumb compass” is
68. Which of the following acoustic instrument is designed specifically for trawl net monitoring?
69. The device used onboard vessel to record the speed and distance travelled through water in a given time is called as
70. The resultant value of the deviation and variation of magnetic compass is termed as
71. The reciprocal of the slope of Thermal Death time curve is called
72. In TFS cans, TFS stands for
73. Higher the _______ content faster the spoilage in fish.
74. Harpooning is a fishing method mainly used for capture of
75. One nautical mile is equal to
76. Identify the food linkage principle of the food traceability system
77. Which heavy metal is of safety concern in seafood products?
78. The widely used food additive to control Melanosis in shrimp by the fish processing establishments is
79. Bleeding is the process done in post-mortem fish to
80. An analytical instrument used to analyse the volatile flavor compounds to determine seafood quality is
81. A sensory method that cannot be adopted for all species of seafood is
82. “Ponderal Index” is another term for
83. Vitellogenin is synthesized mainly in
84. The introduction of foreign DNA into animal cells is called
85. Loaches can be categorized as
86. A measure to compare a particular item of food in the gut and that of in the environment is
87. The type A Fish Protein Concentrate contain protein level of ____%
88. The resistance of Chitosan towards gamma radiation and ability to absorb metal ions make it suitable for the removal of
89. On an average, to produce 1.0 kg of chitin, _____ kg of caustic soda and concentrated HCl is required respectively
90. In alkali refining process of fish body oil, the settled mixture obtained after the addition of NaOH is called
91. The current annual fishing mortality is zero. Then the yield will be
92. The YPR (in g) will be higher for
93. Fish oil differ from vegetable oils in containing
94. ____ is added as a thickening agent in the preparation of fish soup powder
95. Combination of 1% ____ and modified atmosphere of 60% carbondioxide, 20% oxygen and 20% nitrogen at 1 deg C extends shelf life in care of marine fish like Red Hake/ Salmon
96. Of the 1500 species captured from the world, the top most 25 species is contributing around ____ %
97. The % contribution from the top 25 major marine fishing countries was
98. ____ soil results from the formation of pyrite.
99. Nitrate is specifically efficient in promoting the growth of ______ in shrimp farms.
100. The most significant nutrient in brood stock nutrition is
- Pressure and Temperature
- Pressure and heat
- Pressure and volume
- Pressure and Enthalpy
52. The term “wonder net” is related to
- Spiral valve
- Rete mirabile
- Weberian apparatus
- Rectal gland
53. Remove the odd one out:
- Suckers
- Carps
- Catfishes
- Eels
54. Cutlass fishes belong to the family
- Sphyraenidae
- Trichiuridae
- Rachicentridae
- Scombridae
55. The longest larval stage in marine invertebrates is the
- Naupliar stage
- Zoeal stage
- Phyllosome stage
- Prezoeal stage
56. A PCR- based technique that requires reference gene sequences in the databases to authenticate the fish species through phylogenetic analysis is
- PCR-RAPD
- q PCR
- PCR-FINS
- PCR-AFLP
57. Those statistics which will assess the fish population is termed as ______ statistics.
- Biological
- Economic
- Fish trade
- Socio-economic
58. The difference of rates involved between the producer’s price and the consumer’s price is called as ___
- Price spread
- Marketing efficiency
- Monopoly
- Perfect competition
59. ______ utility is given to fishes by making available in different areas, where it is not/less available to fetch a good price.
- Place
- Time
- Form
- Possession
60. Which is the major port to handle frozen export from West Coast of India?
- Mumbai
- Kochi
- Mangalore
- Goa
61. International fish trade has been increasing at a rapid level in recent decades facilitated by the widespread use of
- Chemicals
- Refrigeration
- Preservatives
- Growth promoters
62. In which of the following fish, pyloric caecae are present
- Hilsa ilisha
- Wallago attu
- Cirrhinus mrigala
- Tor tor
63. __________ is a traditional smoke cured product prepared from Tuna in India
- Katsuobushi
- Sashimi
- Sushi
- Masmin
64. When we plot equilibrium moisture content against water activity for particular or range of temperature in a food product, the resultant curve obtained is called ______ curves.
- TDT
- Sorption Isotherms
- Moisture- Water
- Equilibrium Moisture
65. Accumulation of lactic acid in muscle lowers pH of the fish flesh, makes it firmer resulting in increase of ______
- Moisture
- Drip loss
- Weight
- Shelf life
66. _______ enzyme is responsible for post harvest discolouration in crustaceans.
- Proteinase
- Phospholipase
- Transglutaminase
- Polyphenol oxidase
67. The other name of “dumb compass” is
- Azimuth mirror
- Gyro compass
- Pelorus
- Sextant
68. Which of the following acoustic instrument is designed specifically for trawl net monitoring?
- Net sonde
- SONAR
- Echosounder
- Doppler log
69. The device used onboard vessel to record the speed and distance travelled through water in a given time is called as
- Log
- Compass
- Lead line
- Echosounder
70. The resultant value of the deviation and variation of magnetic compass is termed as
- Index error
- Side error
- Compass error
- Error of perpendicularity
71. The reciprocal of the slope of Thermal Death time curve is called
- A value
- D value
- F value
- Z value
72. In TFS cans, TFS stands for
- Total Free Steel
- Tin Free Steel
- Tin Free Sulphur
- Thin Film Steel
73. Higher the _______ content faster the spoilage in fish.
- Protein
- Fat
- Moisture
- Ash
74. Harpooning is a fishing method mainly used for capture of
- Bill fishes
- Tuna
- Sharks
- Whales
75. One nautical mile is equal to
- 1852 km
- 18.52 km
- 185.2 km
- 1.852 km
76. Identify the food linkage principle of the food traceability system
- Definition of traceable unit
- Ensuring one step forward traceability
- Method of attaching ID
- Establishing a procedure
77. Which heavy metal is of safety concern in seafood products?
- Cadmium
- Arsenic
- Mercury
- Strontium
78. The widely used food additive to control Melanosis in shrimp by the fish processing establishments is
- Sodium borate
- Sodium citrate
- Sodium metabisulphate
- Sodium tripolyphosphate
79. Bleeding is the process done in post-mortem fish to
- Delay the onset of rigermortis
- Reduce the lipid oxidation
- reduce the microbial degradation
- Reduce the autolysis
80. An analytical instrument used to analyse the volatile flavor compounds to determine seafood quality is
- LC-MS-MS system
- GC-MS system
- NIR spectroscopy
- NMR spectroscopy
81. A sensory method that cannot be adopted for all species of seafood is
- Torry scale
- European Union scheme
- Consumer testing method
- Quality index method
82. “Ponderal Index” is another term for
- Maturity of gonads
- Food Quotient
- Growth factor
- Condition factor
83. Vitellogenin is synthesized mainly in
- Kidney
- Ovary
- Spleen
- Liver
84. The introduction of foreign DNA into animal cells is called
- Transversion
- Conversion
- Inversion
- Transfection
85. Loaches can be categorized as
- Phytophil
- Psammophil
- Pelagophil
- Ostracophil
86. A measure to compare a particular item of food in the gut and that of in the environment is
- Index of preponderance
- Index of relative importance
- Index of selectivity
- Gastrosomatic index
87. The type A Fish Protein Concentrate contain protein level of ____%
- 50
- 60
- 80
- 100
88. The resistance of Chitosan towards gamma radiation and ability to absorb metal ions make it suitable for the removal of
- Radioactive solutes
- Protein waste
- Hydrocolloids
- Acid wastes
89. On an average, to produce 1.0 kg of chitin, _____ kg of caustic soda and concentrated HCl is required respectively
- 0.5 and 1.0
- 1.0 and 10
- 15 and 50
- 50 and 100
90. In alkali refining process of fish body oil, the settled mixture obtained after the addition of NaOH is called
- Press liquor
- Stick water
- Foots
- Stearine
91. The current annual fishing mortality is zero. Then the yield will be
- MSY
- Zero
- MEY
- MSE
92. The YPR (in g) will be higher for
- M=0.2
- M=0.4
- M=0.5
- M=0.6
93. Fish oil differ from vegetable oils in containing
- Saturated fatty acids
- Unsaturated fatty acids
- Esters
- Triglycerides
94. ____ is added as a thickening agent in the preparation of fish soup powder
- Citric acid
- Carboxy methyl cellulose
- Potassium sorbate
- Calcium propionate
95. Combination of 1% ____ and modified atmosphere of 60% carbondioxide, 20% oxygen and 20% nitrogen at 1 deg C extends shelf life in care of marine fish like Red Hake/ Salmon
- Calcium oxide
- Potassium sorbate
- STPP
- Potassium chloride
96. Of the 1500 species captured from the world, the top most 25 species is contributing around ____ %
- 40
- 25
- 30
- 10
97. The % contribution from the top 25 major marine fishing countries was
- Less than 40
- About 50
- About 60
- About 80
98. ____ soil results from the formation of pyrite.
- Clayey loam
- Acid sulphate
- Sandy
- Clayey
99. Nitrate is specifically efficient in promoting the growth of ______ in shrimp farms.
- Chlorella
- Spirulina
- Spirogyra
- Diatoms
100. The most significant nutrient in brood stock nutrition is
- Vitamin E
- Vitamin B
- n-3 PUFAs
- cholesterol
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