FISHERIES SCIENCE- PAGE 5
1. The widely cultured Salmonid for sport fishery is
2. The number of moults (larval stages) observed in the life cycle of “Macrobrachium” is
3. The macrophytic filamentous algae commonly found in hardwaters is
4. In duck fish farming the stocking size of fish fingerlings must be more than
5. Diammonium phosphate are good fertilizers for fresh water because they have N: P2O5 ratio
6. A feeder where the feeding is controlled by fish themselves is
7. Fish have no direct requirement of bicarbonates but crustaceans require it for moulting at levels of
8. The second largest cultivable group of fishes in the world is
9. The carp fish species with its body covered unevenly with few large shiny scales is
10) Indicator of temperature sensitivity of a microorganism:
a) D-value b) TDT c) z-value d) TDP
Ans: C
11. Cephalopods in Indian waters are known to get contaminated by the following heavy metal :
(A) Cadmium (B) Mercury (C) Lead (D) Arsenic
Ans: A
12. King of Herrings is _______
(A) Myriacanthus (B) Harriotta (C) Callorhynchus (D) Chimaera
Ans: D
13. The placoid scales of Elasmobranchs are developed from _______ cells.
(A) epithelial (B) dermal (C) branchial (D) columnar
Ans: B
14. Shangla jal is a fishing net used in _______
(A) Gujarat (B) West Bengal (C) Maharashtra (D) Odisha
Ans: B
15. In states like Himachal Pradesh, trout farming is done in _______ .
(A) cages (B) earthen ponds (C) reservoirs (D) raceways
Ans: D
16. One of the following rivers joins Cauvery riverine system :
(A) Periyar (B) Neyyar (C) Kabani (D) Manimala
Ans: C
17. The anaesthetic seen in clove oil and used in transportation of live fishes is _______
(A) Quinaldine (B) Benzocaine (C) Phenoxy ethanol (D) Euginol
Ans: D
18. _______ help a filter feeder.
(A) Gill rakers (B) Barbels (C) Gill arches (D) Teeth
Ans: A
19. _______ helps osmoregulation in fresh water fishes.
(A) Chloride cells (B) Ampulla
(C) Pyloric caeca (D) Sinus venosus
Ans: A
20. "Physostomous' is a term associated to the _______ of fish.
(A) Gills (B) Intestine
(C) Swim bladder (D) Kidney
Ans: C
21. Shrimp species that contributes approximately 75 % of the total farmed shrimp production of India.
(A) Fenneropenaeus indicus (B) Litopenaeus vannamei (C) Penaeus monodon (D) Macrobrachium rosenhergii
Ans: B
22. Secondary sexual character that helps to identify male Poecilia reticualata is
(A) Gonopodium (B) Tubercles (C) Claspers (D) Conical Genital Papilla
Ans: A
23. How many species of finfishes and shellfishes have been notified fixing MLS under the Marine Fisheries Act of Kerala so far ?
(A) 66 (B) 43 (C) 14 (D) 58
Ans: D
24. Labyrinthine organs are characteristic of _______
(A) Mollenesia sphenops (B) Gadus morhua (C) Trichogaster trichopter (D) Pterophyllum scalare
Ans: C
25. Deficiency of Ascorbic acid can cause _______ in fish.
(A) Broken back disease (B) Gill rot (C) Necrosis (D) Septicaemia
Ans: A
26. Trilobed caudal fin is seen in _______
(A) Nemipterus mesoprion (B) Harpodon nehereus (C) Lepturacanthus savala (D) Conger cinereus
Ans: B
27. The causative organism of Aflatoxicosis is
(A) Pseudomonas (B) Salmonella (C) Aspergillus (D) Rhabdovirus
Ans: C
28. Which one of the following shows protandry ?
(A) Chanos chanos (B) Epinephelus tauvina (C) Alepes djedaba (D) Lates calcarifer
Ans: D
29. The headquarters of National Institute of Oceanography is located at :
(A) Lucknow (B) Hyderabad (C) Dona paula (D) Cochin
Ans: C
30. An example for omega -3 fatty acid is _______
(A) Eicosa Pentaenoic acid (B) Pantothenic acid (C) Nicotinic acid (D) Pyruvic acid
Ans: A
31. In bivalve culture _______ determines the time to harvest.
(A) Gonado Somatic Index (B) Digestive Gland Index (C) Condition factor (D) Feed Efficiency Ratio
Ans: C
32. Phyllosoma larval stage is seen in
(A) Mussels (B) Lobsters (C) Crabs (D) Sponges
Ans: B
33. Which one of the following organizations comes under the Department of Fisheries, Kerala ?
(A) NETFISH (B) NFDB (C) CIFT (D) FIRMA
Ans: D
34. Parasitic castration in crabs is caused by _______
(A) Trichodesmium (B) Fusarium (C) Sacculina (D) Argulus
Ans: C
35. Aeromonas is a _______ pathogen.
(A) Fungal (B) Protozoan (C) Bacterial (D) Viral
Ans: C
36. Pinctada margaritifera yields _______
(A) Black pearls (B) Squalene (C) Sodium alginate (D) Agar Agar
Ans: A
37. The term 'nobashi' refers to the product _______
(A) shell on mussel meat (B) cooked shrimp (C) stretched shrimp (D) breaded fillet
Ans: C
38. Which country has developed 'Chitralada' variety of Tilapia ?
(A) Malaysia (B) Thailand (C) Myanmar (D) Indonesia
Ans: B
39. The compound that gives characteristic odour and flavour of marine fish is _______
(A) Trimethylamine Oxide (B) Histidine (C) Hypoxanthine (D) Thiobarbituric acid
Ans: A
40. _______ is the measure of the degree of oxidation of the fat.
(A) Peroxide value (B) Rancidity (C) K-Value (D) Glycine index
Ans: A
41. Scientific name of Sea catfish is _______
(A) Hypophthalmichthys molitrix (B) Rachycentron canadum (C) Arius thalassinus (D) Horabagrus brachysoma
Ans: C
42. Bacterial spoilage in canned food is caused by
(A) Listeria (B) Clostridium (C) Shigella (D) Staphylococcus
Ans: B
43. Puffer fishes belong to the family _______
(A) Mastacembelidae (B) Muraenosocidae (C) Anguillidae (D) Tetradontidae
Ans: D
44. Chitosan is _______ chitin.
(A) dehydrated (B) deoxidized (C) demineralized (D) deacetylated
Ans: D
45. The annual estimated marine fish landings in India during 2016 is
(A) 3.59 million metric tons (B) 3.63 million metric tons (C) 3.78 million metric tons (D) 3.28 million metric tons
Ans: B
46. Acute Hepatopancreatic Necrosis syndrome is otherwise known as
(A) White spot Virus disease (B) Infectious Salmon Anaemia (C) Early Mortality Syndrome (D) None of the above
Ans: C
47. The first fishery that is certified by the Marine Stewardship Council (MSC) in India is located in _______.
(A) Ennore backwaters (B) Chilika Lake (C) Lakshadweep (D) Ashtamudi Lake
Ans: D
48. NIFPHATT is
(A) National Institute of Fisheries Post Harvest, Aquaculture Technology and Training.
(B) National Institute of Fisheries Post Harvest Technology and Training.
(C) National Industrial Fisheries Project on Harvest Technology and Training.
(D) National Industrial Fisheries Processing, Harvest Technology and Training.
Ans: B
49. Gel strength is a quality parameter for _______
(A) Freeze dried products (B) Fish silage (C) Alginate compounds (D) Surimi
Ans: D
50. The presence of glass like crystals in brine packed shrimp is _______
(A) Struvite formation (B) Retort burn (C) Mush (D) Sulphide blackening
Ans: A
- Tor tor
- Salmo gairdneri
- Salmo clarkia
- Salvelinus aurcolus
2. The number of moults (larval stages) observed in the life cycle of “Macrobrachium” is
- 10
- 15
- 11
- 09
3. The macrophytic filamentous algae commonly found in hardwaters is
- Najas
- Potamogeton
- Chara
- Polygonum
4. In duck fish farming the stocking size of fish fingerlings must be more than
- 3 cm
- 2 cm
- 5 cm
- 10 cm
5. Diammonium phosphate are good fertilizers for fresh water because they have N: P2O5 ratio
- 1: 7
- 1:5
- 1:3
- 1:4
6. A feeder where the feeding is controlled by fish themselves is
- Stationary feeder
- Automatic feeder
- Demand feeder
- Food distributors
7. Fish have no direct requirement of bicarbonates but crustaceans require it for moulting at levels of
- 75-100 mg/l
- 25-50 mg/l
- 30-50 mg/l
- 40-60 mg/l
8. The second largest cultivable group of fishes in the world is
- Catfish
- Carps
- Tilapia
- Murrels
9. The carp fish species with its body covered unevenly with few large shiny scales is
- Mirror carp
- Scale carp
- German carp
- Leather carp
10) Indicator of temperature sensitivity of a microorganism:
a) D-value b) TDT c) z-value d) TDP
Ans: C
11. Cephalopods in Indian waters are known to get contaminated by the following heavy metal :
(A) Cadmium (B) Mercury (C) Lead (D) Arsenic
Ans: A
12. King of Herrings is _______
(A) Myriacanthus (B) Harriotta (C) Callorhynchus (D) Chimaera
Ans: D
13. The placoid scales of Elasmobranchs are developed from _______ cells.
(A) epithelial (B) dermal (C) branchial (D) columnar
Ans: B
14. Shangla jal is a fishing net used in _______
(A) Gujarat (B) West Bengal (C) Maharashtra (D) Odisha
Ans: B
15. In states like Himachal Pradesh, trout farming is done in _______ .
(A) cages (B) earthen ponds (C) reservoirs (D) raceways
Ans: D
16. One of the following rivers joins Cauvery riverine system :
(A) Periyar (B) Neyyar (C) Kabani (D) Manimala
Ans: C
17. The anaesthetic seen in clove oil and used in transportation of live fishes is _______
(A) Quinaldine (B) Benzocaine (C) Phenoxy ethanol (D) Euginol
Ans: D
18. _______ help a filter feeder.
(A) Gill rakers (B) Barbels (C) Gill arches (D) Teeth
Ans: A
19. _______ helps osmoregulation in fresh water fishes.
(A) Chloride cells (B) Ampulla
(C) Pyloric caeca (D) Sinus venosus
Ans: A
20. "Physostomous' is a term associated to the _______ of fish.
(A) Gills (B) Intestine
(C) Swim bladder (D) Kidney
Ans: C
21. Shrimp species that contributes approximately 75 % of the total farmed shrimp production of India.
(A) Fenneropenaeus indicus (B) Litopenaeus vannamei (C) Penaeus monodon (D) Macrobrachium rosenhergii
Ans: B
22. Secondary sexual character that helps to identify male Poecilia reticualata is
(A) Gonopodium (B) Tubercles (C) Claspers (D) Conical Genital Papilla
Ans: A
23. How many species of finfishes and shellfishes have been notified fixing MLS under the Marine Fisheries Act of Kerala so far ?
(A) 66 (B) 43 (C) 14 (D) 58
Ans: D
24. Labyrinthine organs are characteristic of _______
(A) Mollenesia sphenops (B) Gadus morhua (C) Trichogaster trichopter (D) Pterophyllum scalare
Ans: C
25. Deficiency of Ascorbic acid can cause _______ in fish.
(A) Broken back disease (B) Gill rot (C) Necrosis (D) Septicaemia
Ans: A
26. Trilobed caudal fin is seen in _______
(A) Nemipterus mesoprion (B) Harpodon nehereus (C) Lepturacanthus savala (D) Conger cinereus
Ans: B
27. The causative organism of Aflatoxicosis is
(A) Pseudomonas (B) Salmonella (C) Aspergillus (D) Rhabdovirus
Ans: C
28. Which one of the following shows protandry ?
(A) Chanos chanos (B) Epinephelus tauvina (C) Alepes djedaba (D) Lates calcarifer
Ans: D
29. The headquarters of National Institute of Oceanography is located at :
(A) Lucknow (B) Hyderabad (C) Dona paula (D) Cochin
Ans: C
30. An example for omega -3 fatty acid is _______
(A) Eicosa Pentaenoic acid (B) Pantothenic acid (C) Nicotinic acid (D) Pyruvic acid
Ans: A
31. In bivalve culture _______ determines the time to harvest.
(A) Gonado Somatic Index (B) Digestive Gland Index (C) Condition factor (D) Feed Efficiency Ratio
Ans: C
32. Phyllosoma larval stage is seen in
(A) Mussels (B) Lobsters (C) Crabs (D) Sponges
Ans: B
33. Which one of the following organizations comes under the Department of Fisheries, Kerala ?
(A) NETFISH (B) NFDB (C) CIFT (D) FIRMA
Ans: D
34. Parasitic castration in crabs is caused by _______
(A) Trichodesmium (B) Fusarium (C) Sacculina (D) Argulus
Ans: C
35. Aeromonas is a _______ pathogen.
(A) Fungal (B) Protozoan (C) Bacterial (D) Viral
Ans: C
36. Pinctada margaritifera yields _______
(A) Black pearls (B) Squalene (C) Sodium alginate (D) Agar Agar
Ans: A
37. The term 'nobashi' refers to the product _______
(A) shell on mussel meat (B) cooked shrimp (C) stretched shrimp (D) breaded fillet
Ans: C
38. Which country has developed 'Chitralada' variety of Tilapia ?
(A) Malaysia (B) Thailand (C) Myanmar (D) Indonesia
Ans: B
39. The compound that gives characteristic odour and flavour of marine fish is _______
(A) Trimethylamine Oxide (B) Histidine (C) Hypoxanthine (D) Thiobarbituric acid
Ans: A
40. _______ is the measure of the degree of oxidation of the fat.
(A) Peroxide value (B) Rancidity (C) K-Value (D) Glycine index
Ans: A
41. Scientific name of Sea catfish is _______
(A) Hypophthalmichthys molitrix (B) Rachycentron canadum (C) Arius thalassinus (D) Horabagrus brachysoma
Ans: C
42. Bacterial spoilage in canned food is caused by
(A) Listeria (B) Clostridium (C) Shigella (D) Staphylococcus
Ans: B
43. Puffer fishes belong to the family _______
(A) Mastacembelidae (B) Muraenosocidae (C) Anguillidae (D) Tetradontidae
Ans: D
44. Chitosan is _______ chitin.
(A) dehydrated (B) deoxidized (C) demineralized (D) deacetylated
Ans: D
45. The annual estimated marine fish landings in India during 2016 is
(A) 3.59 million metric tons (B) 3.63 million metric tons (C) 3.78 million metric tons (D) 3.28 million metric tons
Ans: B
46. Acute Hepatopancreatic Necrosis syndrome is otherwise known as
(A) White spot Virus disease (B) Infectious Salmon Anaemia (C) Early Mortality Syndrome (D) None of the above
Ans: C
47. The first fishery that is certified by the Marine Stewardship Council (MSC) in India is located in _______.
(A) Ennore backwaters (B) Chilika Lake (C) Lakshadweep (D) Ashtamudi Lake
Ans: D
48. NIFPHATT is
(A) National Institute of Fisheries Post Harvest, Aquaculture Technology and Training.
(B) National Institute of Fisheries Post Harvest Technology and Training.
(C) National Industrial Fisheries Project on Harvest Technology and Training.
(D) National Industrial Fisheries Processing, Harvest Technology and Training.
Ans: B
49. Gel strength is a quality parameter for _______
(A) Freeze dried products (B) Fish silage (C) Alginate compounds (D) Surimi
Ans: D
50. The presence of glass like crystals in brine packed shrimp is _______
(A) Struvite formation (B) Retort burn (C) Mush (D) Sulphide blackening
Ans: A
51. Ambergris is obtained from _______
(A) Dolphin (B) Blue whale (C) Sperm whale (D) Shark
Ans: C
52. Carrageenan is sourced from
(A) Gracilaria edulis (B) Sargassum waitei (C) Caulerpa racemosa (D) Kappaphycus alvarezii
Ans: D
53. Spring Viraemia commonly affects _______
(A) Carps (B) Shrimps (C) Salmon (D) Mussels
Ans: A
54. Ethoxyquin is an example for _______
(A) Anti-oxidant (B) Anti-biotic (C) Immunostimulant (D) Steroid hormone
Ans: A
55. An example for a larvivorous fish is _______
(A) Lebistes reticulatus (B) Beta splendens (C) Aplocheilus blochii (D) Xiphophorus helleri
Ans: C
56. Brine shrimp is _______
(A) Nematopalaemon (B) Heterocarpus (C) Aristius (D) Artemia
Ans: D
57. For the construction of firm bunds, the ratio to be followed for silt, sand and clay is
(A) 1:3:2 (B) 1:2:3 (C) 2:3:1 (D) 3:2:1
Ans: A
58. An example for floating weed is _______
(A) Ceratophyllum (B) Nymphaea (C) Eicchornia (D) Hydrilla
Ans: C
59. Hypophisation was successfully tried in India during _______
(A) 1962 (B) 1957 (C) 1967 (D) 1978
Ans: B
60. Total dry weight of feed/ Total wet weight gained is known as _______.
(A) Productive Protein value (B) Feed Efficiency Ratio (C) Protein Efficiency Ratio (D) Feed Conversion Ratio
Ans: D
61. Central Marine Fisheries Research Institute (CMFRI) has successfully developed recently the seed production technology for
(A) Trachinotus mookalee (B) Amhiprion ocellatus (C) Hippocampus kuda (D) Ompok pabda
Ans: A
62. One of the following is a characteristic of the gut system of herbivorous fish :
(A) Short and narrow (B) Long and narrow (C) Long and coiled (D) Broad and thick
Ans: C
63. One of the following hormone is not used in induced breeding of fishes
(A) Ovaprim (B) Dopamine (C) HCG (D) GTH
Ans: B
64. Hormone that helps to retain larval characters and juvenile characters in crustaceans is _______ .
(A) Methyl farnesoate (B) Crustecdysone (C) Vitellin (D) Somatotrophic hormone
Ans: A
65. Hydrocyanin is an anti-nutritional factor found in _______ .
(A) Cotton seed (B) Groundnut (C) Tapioca (D) Soybean
Ans: C
66. Fish that deposits eggs in dead molluscan shells is _______ .
(A) Protopterus aethiopicus (B) Amia calva (C) Etroplus surratensis (D) Rhodeus amarus
Ans: D
67. Turbidity in aquaculture ponds is measured using _______ .
(A) Refractometer (B) Seechi disc (C) Winkler's method (D) Spectrophotometer
Ans: B
68. Which is the most commonly used cryoprotectant ?
(A) Glycerol (B) Ethylene Glycol (C) Glutathione (D) Dimethyl sulfoxide
Ans: D
69. Young ones of eels are known as _______
(A) Elvers (B) Ammocoetus (C) Spat (D) Smolt
Ans: A
70. An example for corbiculid clam species is _______
(A) Paphia malabarica (B) Anadara granosa (C) Villorita cyprinoides (D) Thais rudolphi
Ans: C
71. State with largest coastline in India is _______
(A) Gujarat (B) Andhra Pradesh (C) Tamil Nadu (D) Kerala
Ans: A
72. Tenualosa ilisha is _______
(A) stenohaline (B) straddling (C) catadromous (D) anadromous
Ans: D
73. Type of fishing by unattended, dumped or abandoned fishing gears is referred as _______
(A) Trap fishing (B) Ghost fishing (C) Artificial reef (D) Jigging
Ans: B
74. Calanus is a _______
(A) Zooplankton (B) Fish Parasite (C) Phytoplankton (D) Fungus
Ans: A
75. The hatchlings of Rainbow trout comes out in _______ days.
(A) 14-16 (B) 24-26 (C) 10-12 (D) 35-40
Ans: B
76. Which fish is known as 'Dog Fish'?
(A) Rohu
(B) Catla
(C) Whale
(D) Shark
Ans: D
77. Which fish is popularly known as the Aquatic-chicken ?
(A) Tilapia (B) Mene Oblanga (C) Zebra fish (D) Brown trout
Ans: A
78:-The first fish on earth known to be truly warm blooded is ______
A:-Salmon
B:-Hogfish
C:-Flathead Grey Mullet
D:-Opah
Ans: D
79) Most limiting major nutrient in an aquaculture pond:
a) Nitrogen b) Potassium c) Calcium d) Phosphorous
Ans: D
80) The transition larval stage in the life cycle of pearl oyster:
a) Trochophore b) Veliges c) Umbo d) Pediveliges
Ans: D
81) Name the chemical required for the culture of dinoflagellates
a) Sodium thiosulphate b) Formaldehyde
c) Sodium hypochlorite d) Sodium silicate
Ans: D
82) The neurohemal organ in the eyestalk of decapod crustaceans
a) Y-organ b) Rimus gland c) Mandibular organ d) X-organ
Ans: B
83)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
84) Luminous vibriosis is associated with ________________
a) Shrimps b) Carps c) Crabs d) Cat fishes
Ans: A
85) Dactylogyrus is commonly known as
a) Blood fluke b) Skin fluke c) Gill fluke d) Eye fluke
Ans: C
86) 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
87) 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
88)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
89)Polymer of N-acetyl glucosamine:
a) Lignin b) Starch c) Chitin d) Pectin
Ans: C
90)Metabolic precursor of EPA and DHA:
a) Oleic acid b) Stearic acid c) Linolic acid d) Linolenic acid
Ans: B
91) 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
92)Nuptial tubercles is a sexual dimorphic feature present in males of ______________
a) Angel fish b) Gold fish c) Pearl gourami d) Guppy
Ans: B
93) ______________ is an egg scatterer
a) Angel fish b) Pearl gourami c) Sword tail d) Koi carp
Ans: D
94)White spot or Ich is a ______________ disease
a) metazoan b) bacterial c) protozoan d) viral
Ans: C
95)Non feeding steps in the larval development of shrimp:
a) Nauplius b) Megalopa c) Protozoa d) Mysis
Ans: A
96) 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
97) 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
98)Filleting of fish will be ideal
a) In rigor b) In pre rigor c) In post rigor d) Any time
Ans: C
99) Which among the following is a cryoprotectant?
a) Liquid nitrogen b) Formaldehyde c) Ammonia d) Sorbitol
Ans: D
100) Hilsa shows
(A) Catadromous migration
(B) Anadromous migration
(C) Amphidromous migration
(D) Potamodromous migration
Ans: B
(A) Dolphin (B) Blue whale (C) Sperm whale (D) Shark
Ans: C
52. Carrageenan is sourced from
(A) Gracilaria edulis (B) Sargassum waitei (C) Caulerpa racemosa (D) Kappaphycus alvarezii
Ans: D
53. Spring Viraemia commonly affects _______
(A) Carps (B) Shrimps (C) Salmon (D) Mussels
Ans: A
54. Ethoxyquin is an example for _______
(A) Anti-oxidant (B) Anti-biotic (C) Immunostimulant (D) Steroid hormone
Ans: A
55. An example for a larvivorous fish is _______
(A) Lebistes reticulatus (B) Beta splendens (C) Aplocheilus blochii (D) Xiphophorus helleri
Ans: C
56. Brine shrimp is _______
(A) Nematopalaemon (B) Heterocarpus (C) Aristius (D) Artemia
Ans: D
57. For the construction of firm bunds, the ratio to be followed for silt, sand and clay is
(A) 1:3:2 (B) 1:2:3 (C) 2:3:1 (D) 3:2:1
Ans: A
58. An example for floating weed is _______
(A) Ceratophyllum (B) Nymphaea (C) Eicchornia (D) Hydrilla
Ans: C
59. Hypophisation was successfully tried in India during _______
(A) 1962 (B) 1957 (C) 1967 (D) 1978
Ans: B
60. Total dry weight of feed/ Total wet weight gained is known as _______.
(A) Productive Protein value (B) Feed Efficiency Ratio (C) Protein Efficiency Ratio (D) Feed Conversion Ratio
Ans: D
61. Central Marine Fisheries Research Institute (CMFRI) has successfully developed recently the seed production technology for
(A) Trachinotus mookalee (B) Amhiprion ocellatus (C) Hippocampus kuda (D) Ompok pabda
Ans: A
62. One of the following is a characteristic of the gut system of herbivorous fish :
(A) Short and narrow (B) Long and narrow (C) Long and coiled (D) Broad and thick
Ans: C
63. One of the following hormone is not used in induced breeding of fishes
(A) Ovaprim (B) Dopamine (C) HCG (D) GTH
Ans: B
64. Hormone that helps to retain larval characters and juvenile characters in crustaceans is _______ .
(A) Methyl farnesoate (B) Crustecdysone (C) Vitellin (D) Somatotrophic hormone
Ans: A
65. Hydrocyanin is an anti-nutritional factor found in _______ .
(A) Cotton seed (B) Groundnut (C) Tapioca (D) Soybean
Ans: C
66. Fish that deposits eggs in dead molluscan shells is _______ .
(A) Protopterus aethiopicus (B) Amia calva (C) Etroplus surratensis (D) Rhodeus amarus
Ans: D
67. Turbidity in aquaculture ponds is measured using _______ .
(A) Refractometer (B) Seechi disc (C) Winkler's method (D) Spectrophotometer
Ans: B
68. Which is the most commonly used cryoprotectant ?
(A) Glycerol (B) Ethylene Glycol (C) Glutathione (D) Dimethyl sulfoxide
Ans: D
69. Young ones of eels are known as _______
(A) Elvers (B) Ammocoetus (C) Spat (D) Smolt
Ans: A
70. An example for corbiculid clam species is _______
(A) Paphia malabarica (B) Anadara granosa (C) Villorita cyprinoides (D) Thais rudolphi
Ans: C
71. State with largest coastline in India is _______
(A) Gujarat (B) Andhra Pradesh (C) Tamil Nadu (D) Kerala
Ans: A
72. Tenualosa ilisha is _______
(A) stenohaline (B) straddling (C) catadromous (D) anadromous
Ans: D
73. Type of fishing by unattended, dumped or abandoned fishing gears is referred as _______
(A) Trap fishing (B) Ghost fishing (C) Artificial reef (D) Jigging
Ans: B
74. Calanus is a _______
(A) Zooplankton (B) Fish Parasite (C) Phytoplankton (D) Fungus
Ans: A
75. The hatchlings of Rainbow trout comes out in _______ days.
(A) 14-16 (B) 24-26 (C) 10-12 (D) 35-40
Ans: B
76. Which fish is known as 'Dog Fish'?
(A) Rohu
(B) Catla
(C) Whale
(D) Shark
Ans: D
77. Which fish is popularly known as the Aquatic-chicken ?
(A) Tilapia (B) Mene Oblanga (C) Zebra fish (D) Brown trout
Ans: A
78:-The first fish on earth known to be truly warm blooded is ______
A:-Salmon
B:-Hogfish
C:-Flathead Grey Mullet
D:-Opah
Ans: D
79) Most limiting major nutrient in an aquaculture pond:
a) Nitrogen b) Potassium c) Calcium d) Phosphorous
Ans: D
80) The transition larval stage in the life cycle of pearl oyster:
a) Trochophore b) Veliges c) Umbo d) Pediveliges
Ans: D
81) Name the chemical required for the culture of dinoflagellates
a) Sodium thiosulphate b) Formaldehyde
c) Sodium hypochlorite d) Sodium silicate
Ans: D
82) The neurohemal organ in the eyestalk of decapod crustaceans
a) Y-organ b) Rimus gland c) Mandibular organ d) X-organ
Ans: B
83)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
84) Luminous vibriosis is associated with ________________
a) Shrimps b) Carps c) Crabs d) Cat fishes
Ans: A
85) Dactylogyrus is commonly known as
a) Blood fluke b) Skin fluke c) Gill fluke d) Eye fluke
Ans: C
86) 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
87) 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
88)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
89)Polymer of N-acetyl glucosamine:
a) Lignin b) Starch c) Chitin d) Pectin
Ans: C
90)Metabolic precursor of EPA and DHA:
a) Oleic acid b) Stearic acid c) Linolic acid d) Linolenic acid
Ans: B
91) 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
92)Nuptial tubercles is a sexual dimorphic feature present in males of ______________
a) Angel fish b) Gold fish c) Pearl gourami d) Guppy
Ans: B
93) ______________ is an egg scatterer
a) Angel fish b) Pearl gourami c) Sword tail d) Koi carp
Ans: D
94)White spot or Ich is a ______________ disease
a) metazoan b) bacterial c) protozoan d) viral
Ans: C
95)Non feeding steps in the larval development of shrimp:
a) Nauplius b) Megalopa c) Protozoa d) Mysis
Ans: A
96) 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
97) 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
98)Filleting of fish will be ideal
a) In rigor b) In pre rigor c) In post rigor d) Any time
Ans: C
99) Which among the following is a cryoprotectant?
a) Liquid nitrogen b) Formaldehyde c) Ammonia d) Sorbitol
Ans: D
100) Hilsa shows
(A) Catadromous migration
(B) Anadromous migration
(C) Amphidromous migration
(D) Potamodromous migration
Ans: B
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