FISHERIES SCIENCE- PAGE 1
1: For induced breeding in carps this is not used
A Ovaprim
B Ovatide
C Wova-FH
D Methyltestosterone
Answer: 4
2: In fish body the share of minerals is
A 1-2%
B 3-4%
C 4-5%
D 5-6%
Answer: 1
3: The amount of protein in live body weight of fish is
A 10–13%
B 15–20%
C 18–23%
D 5-12%
Answer: 2
4: During mating process in carps when male chase behind the female, this type of chasing is called
A Thypogyne
B Lingyne
C Lataerogyne
D Subgyne
Answer: 4
5: In Heteropneutis fossils the total number of barbels occurring are
A 2
B 4
C 6
D 8
Answer: 4
6: Out of following the Indian trout is
A Barilius bola
B Salmo trutta fario
C Salmo gairdneri
D. Denio devario
Answer: 1
7: The maxillary barbels in this fish are equal to rostral barbels in length
A Labeo dero
B Tor putitora
C Tor tor
D Tor khudree
Answer: 4
8: The hormone administered in fish diet for promoting maleness in grass carp is
A Thyroxine
B Oestrogen
C Methyltestosterone
D FSH
Answer: 3
9: In Tor tor the number of scales found on the lateral line are
A 20 – 22
B 22 – 27
C 25 – 29
D 27 – 30
Answer: 2
10: In the male of giant freshwater prawn presence of following character is found
A Reproductive setae
B Elongated pleura
C Smaller & slender claws
D Appendix masculine
Answer: 4
11: In synthetic hormone ovaprim following dopamine antagonist is found
A Synahorim
B HCG
C Domperidon
D LHRH
Answer: 3
12: Following fish belongs to family Siluridae
A Wallagto attu
B Mystus aor
C Pangassius pangassius
D Clarias batrachus
Answer: 1
13: For filtering its food this fish has complex net work of gill rackers
A Catla
B Mrigal
C Silver carp
D Rohu
Answer: 3
14: In carps dropsy disease is caused due to
A Aeromonas
B Saprolegnia
C Pseudomonas
D Gyrodactylus
Answer: 1
15: 'Kakaban' is useful for the breeding of following fish for egg laying in captivity
A Tor tor
B Labeo rohita
C Cyprinus carpio
D Cirrhinus mrigala
Answer: 3
16: A fish which is employed as scavenger for cleaning fish aquarium is
A Poecilia reticulate
B Brachydanio rerio
C Beta splendens
D Botia lohachata
Answer: 4
17: For aquaponics following play important role in biofiltration of water
A Nitrifying bacteria
B Planktonic organisms
C Plants and useful bacteria
D Plants
Answer: 3
18: A black and white edged ocellus on the basal part of caudal fin is found in the following fish
A Channa striatus
B Channa marulius
C Channa punctatus
D Channa gachua
Answer: 2
19: In dry salting process of fish preservation the ratio of salt to fish may be
A 1:2 to 1:4
B 1:3 to 1:5
C 1:4 to 1:7
D 1:5 to 1:10
Answer: 4
20: For the control of Epizootic ulcerative syndrome following drug is useful
A CIFAX
B Butox
C Malaclite green
D Formalin
Answer: 1
21: Cultured bacteria used as feed additives and beneficial to fish for disease protection are called
A Lecithin
B Probiotics
C Biomarkers
D Chitin
Answer: 2
22: The concept of carrying capacity of fish pond was given by the scientist
A Huet
B Hora
C Hickling
D Yashouv
Answer: 4
23: In Cattle-cum-fish farming for fertilizing fish pond the number of cattle's necessary to provide adequate manure for 1 ha pond area 1
A 2 – 4 cows
B 5 – 6 cows
C 7 – 10 cows
D 3 – 4 cows
Answer: 2
24: In carps the pituitary gland with stalk is called
A Heteroplastic
B Laptobacic
C Platybasic
D Homoplastic
Answer: 2
25. The presence of the pigment Melanin in fish aids in
a. light and dark adaptation
b. light reception
c. swimming
d. focusing
Ans: 1
A Ovaprim
B Ovatide
C Wova-FH
D Methyltestosterone
Answer: 4
2: In fish body the share of minerals is
A 1-2%
B 3-4%
C 4-5%
D 5-6%
Answer: 1
3: The amount of protein in live body weight of fish is
A 10–13%
B 15–20%
C 18–23%
D 5-12%
Answer: 2
4: During mating process in carps when male chase behind the female, this type of chasing is called
A Thypogyne
B Lingyne
C Lataerogyne
D Subgyne
Answer: 4
5: In Heteropneutis fossils the total number of barbels occurring are
A 2
B 4
C 6
D 8
Answer: 4
6: Out of following the Indian trout is
A Barilius bola
B Salmo trutta fario
C Salmo gairdneri
D. Denio devario
Answer: 1
7: The maxillary barbels in this fish are equal to rostral barbels in length
A Labeo dero
B Tor putitora
C Tor tor
D Tor khudree
Answer: 4
8: The hormone administered in fish diet for promoting maleness in grass carp is
A Thyroxine
B Oestrogen
C Methyltestosterone
D FSH
Answer: 3
9: In Tor tor the number of scales found on the lateral line are
A 20 – 22
B 22 – 27
C 25 – 29
D 27 – 30
Answer: 2
10: In the male of giant freshwater prawn presence of following character is found
A Reproductive setae
B Elongated pleura
C Smaller & slender claws
D Appendix masculine
Answer: 4
11: In synthetic hormone ovaprim following dopamine antagonist is found
A Synahorim
B HCG
C Domperidon
D LHRH
Answer: 3
12: Following fish belongs to family Siluridae
A Wallagto attu
B Mystus aor
C Pangassius pangassius
D Clarias batrachus
Answer: 1
13: For filtering its food this fish has complex net work of gill rackers
A Catla
B Mrigal
C Silver carp
D Rohu
Answer: 3
14: In carps dropsy disease is caused due to
A Aeromonas
B Saprolegnia
C Pseudomonas
D Gyrodactylus
Answer: 1
15: 'Kakaban' is useful for the breeding of following fish for egg laying in captivity
A Tor tor
B Labeo rohita
C Cyprinus carpio
D Cirrhinus mrigala
Answer: 3
16: A fish which is employed as scavenger for cleaning fish aquarium is
A Poecilia reticulate
B Brachydanio rerio
C Beta splendens
D Botia lohachata
Answer: 4
17: For aquaponics following play important role in biofiltration of water
A Nitrifying bacteria
B Planktonic organisms
C Plants and useful bacteria
D Plants
Answer: 3
18: A black and white edged ocellus on the basal part of caudal fin is found in the following fish
A Channa striatus
B Channa marulius
C Channa punctatus
D Channa gachua
Answer: 2
19: In dry salting process of fish preservation the ratio of salt to fish may be
A 1:2 to 1:4
B 1:3 to 1:5
C 1:4 to 1:7
D 1:5 to 1:10
Answer: 4
20: For the control of Epizootic ulcerative syndrome following drug is useful
A CIFAX
B Butox
C Malaclite green
D Formalin
Answer: 1
21: Cultured bacteria used as feed additives and beneficial to fish for disease protection are called
A Lecithin
B Probiotics
C Biomarkers
D Chitin
Answer: 2
22: The concept of carrying capacity of fish pond was given by the scientist
A Huet
B Hora
C Hickling
D Yashouv
Answer: 4
23: In Cattle-cum-fish farming for fertilizing fish pond the number of cattle's necessary to provide adequate manure for 1 ha pond area 1
A 2 – 4 cows
B 5 – 6 cows
C 7 – 10 cows
D 3 – 4 cows
Answer: 2
24: In carps the pituitary gland with stalk is called
A Heteroplastic
B Laptobacic
C Platybasic
D Homoplastic
Answer: 2
25. The presence of the pigment Melanin in fish aids in
a. light and dark adaptation
b. light reception
c. swimming
d. focusing
Ans: 1
26. The snake headed fishes belong to order
A Thunniformes
B Lophiformes
C Perciformes
D Channiformes
Ans: 4
27. In fish smoking process for fish preservation following ingredient of smoke acts as antiseptic
A Butanol
B Ethanol
C Cresol
D Phenol
Ans: 4
28. Gonopodium is the modification of a following part in the males of guppy
A Dorsal fin
B Pelvic fin
C Pectoral fin
D Anal fin
Ans: 4
29. Ectoparasite Anchor worm is
A Argulus
B Ergasilus
C Lernaea
D Piscicola
Ans: 3
30. The 'green water' used for larval rearing of giant freshwater prawn is dominated by the presence of following
A Artemia salina
B Chlorella
C Anabaena
D Spirulina
Ans: 2
31. For pelleted feed formulation for supplementary feeding of fish following is used as binder
A Sodium benzoate
B Agar agar
C Sorbic acid
D Calcium serbate
Ans: 2
32. When carrying capacity of aquatic system is low then the best way for production enhancement can be
A Selective fishing
B Ranching
C Biodiversity conservation
D Mesh size regulation
Ans: 2
33. Among all these fishes the size of scale is smallest in the following fish
A Grass carp
B Silver carp
C Mahseer
D Common carp
Ans: 2
34: Among these fishes example of ornamental chichlid fish is
A Angle fish
B Neon tetra
C Carrasius auratus
D Brachydanio rerio
Ans: 1
35: In earthen nurseries the suitable stocking rate of spawn will be
A 1 – 2 million/ha
B 3 – 5 million/ha
C 7 – 10 million/ha
D 10 – 13 million/ha
Ans: 2
36: Taxonomically the correct name of Tilapia is
A Oreochromis mossambicus (Peters)
B Oreachromis mossambicus (Day)
C Oreachromis mossambicus (Linnaeus)
D Oreaochromis mossambicus (Hamilton)
Ans: 1
37: Operational period of nursery pond is
A 15-20 days
B 25-30 days
C 10-15 days
D 20-25 days
Ans: 1
38: Malachite green is useful for the control of following fish disease
A. Bacterial diseases
B. Fungal diseases
C Viral diseases
D Crustacean parasitic diseases
Ans: 2
39: The newly hatched larva of giant freshwater prawn undergoes metamorphosis for the following times before attaining post larval stage
A 8
B 13
C 11
D 9
Ans: 3
40. Following bird is suitable for poultry-cum-fish farming
A Khaki Campbell
B Indian Runner
C Ledghorn
D Kadaknath
Ans: 3
41. This exotic fish is recommended and used presently for cage culture in India
A Grass carp
B Big head
C Thai maghur
D Pangas
Ans: 4
42: The first phase of new aquaculture project formulation start with the following
A Project preparation
B Project Implementation
C Project Monitoring
D Project Identification
Ans: 4
43: In fisheries Extension TDS means
A Technology Demonstration System
B Total Development Scheme
C Total Dissolved Solids
D Trickle Down System
Ans: 4
44: Low stocking density aquaculture, where fish feeds at its own is called
A Semi-intensive aquaculture
B Intensive aquaculture
C Extensive aquaculture
D Mixed farming
Ans: 3
45: In the males of this ornamental fish an organ of copulation-gonopodium is found
A In Carassius auratus
B In Zebra fish
C In Poecilia reticulatus
D In Siamese fighter
Ans: 3
46: Which of the following is a floating weed
A Hydrylla
B Azolla
C Typha
D Ipomea
Ans: 2
47: Which one of the following is an essential fatty acid?
A Arachidonic acid
B Stearic acid
C Palmitic acid
D Oleic acid
Ans: 1
48: If mean length of a set of 7 fishes is 8 cm and that of 3 fishes is 6 cm, then the mean of combined set is -
A 7 cm
B 6.5 cm
C 7.4 cm
D 5 cm
Ans: 3
49: Breakeven point of production is the one where -
A Fixed cost equals total revenue
B Total cost is more than total revenue
C Total cost is less than total revenue
D Total cost equals total revenue
Ans: 4
50: During regormortis, the glycogen in fish is converted to -
A Lactic acid
B Phosphoric acid
C Uric acid
D Fatic acid
Ans: 1
A Thunniformes
B Lophiformes
C Perciformes
D Channiformes
Ans: 4
27. In fish smoking process for fish preservation following ingredient of smoke acts as antiseptic
A Butanol
B Ethanol
C Cresol
D Phenol
Ans: 4
28. Gonopodium is the modification of a following part in the males of guppy
A Dorsal fin
B Pelvic fin
C Pectoral fin
D Anal fin
Ans: 4
29. Ectoparasite Anchor worm is
A Argulus
B Ergasilus
C Lernaea
D Piscicola
Ans: 3
30. The 'green water' used for larval rearing of giant freshwater prawn is dominated by the presence of following
A Artemia salina
B Chlorella
C Anabaena
D Spirulina
Ans: 2
31. For pelleted feed formulation for supplementary feeding of fish following is used as binder
A Sodium benzoate
B Agar agar
C Sorbic acid
D Calcium serbate
Ans: 2
32. When carrying capacity of aquatic system is low then the best way for production enhancement can be
A Selective fishing
B Ranching
C Biodiversity conservation
D Mesh size regulation
Ans: 2
33. Among all these fishes the size of scale is smallest in the following fish
A Grass carp
B Silver carp
C Mahseer
D Common carp
Ans: 2
34: Among these fishes example of ornamental chichlid fish is
A Angle fish
B Neon tetra
C Carrasius auratus
D Brachydanio rerio
Ans: 1
35: In earthen nurseries the suitable stocking rate of spawn will be
A 1 – 2 million/ha
B 3 – 5 million/ha
C 7 – 10 million/ha
D 10 – 13 million/ha
Ans: 2
36: Taxonomically the correct name of Tilapia is
A Oreochromis mossambicus (Peters)
B Oreachromis mossambicus (Day)
C Oreachromis mossambicus (Linnaeus)
D Oreaochromis mossambicus (Hamilton)
Ans: 1
37: Operational period of nursery pond is
A 15-20 days
B 25-30 days
C 10-15 days
D 20-25 days
Ans: 1
38: Malachite green is useful for the control of following fish disease
A. Bacterial diseases
B. Fungal diseases
C Viral diseases
D Crustacean parasitic diseases
Ans: 2
39: The newly hatched larva of giant freshwater prawn undergoes metamorphosis for the following times before attaining post larval stage
A 8
B 13
C 11
D 9
Ans: 3
40. Following bird is suitable for poultry-cum-fish farming
A Khaki Campbell
B Indian Runner
C Ledghorn
D Kadaknath
Ans: 3
41. This exotic fish is recommended and used presently for cage culture in India
A Grass carp
B Big head
C Thai maghur
D Pangas
Ans: 4
42: The first phase of new aquaculture project formulation start with the following
A Project preparation
B Project Implementation
C Project Monitoring
D Project Identification
Ans: 4
43: In fisheries Extension TDS means
A Technology Demonstration System
B Total Development Scheme
C Total Dissolved Solids
D Trickle Down System
Ans: 4
44: Low stocking density aquaculture, where fish feeds at its own is called
A Semi-intensive aquaculture
B Intensive aquaculture
C Extensive aquaculture
D Mixed farming
Ans: 3
45: In the males of this ornamental fish an organ of copulation-gonopodium is found
A In Carassius auratus
B In Zebra fish
C In Poecilia reticulatus
D In Siamese fighter
Ans: 3
46: Which of the following is a floating weed
A Hydrylla
B Azolla
C Typha
D Ipomea
Ans: 2
47: Which one of the following is an essential fatty acid?
A Arachidonic acid
B Stearic acid
C Palmitic acid
D Oleic acid
Ans: 1
48: If mean length of a set of 7 fishes is 8 cm and that of 3 fishes is 6 cm, then the mean of combined set is -
A 7 cm
B 6.5 cm
C 7.4 cm
D 5 cm
Ans: 3
49: Breakeven point of production is the one where -
A Fixed cost equals total revenue
B Total cost is more than total revenue
C Total cost is less than total revenue
D Total cost equals total revenue
Ans: 4
50: During regormortis, the glycogen in fish is converted to -
A Lactic acid
B Phosphoric acid
C Uric acid
D Fatic acid
Ans: 1
51: The mating of individuals related by common ancestry is known as:
A Cross breeding
B Out breeding
C In breeding
D Close breeding
Ans: 3
52: Heterosis is achieved through
A Induced breeding
B Hybridization
C Gynogenesis
D Closed Breeding
Ans: 2
53: Gas bubble disease is associated with supper saturation of:
A Oxygen
B H2S
C Carbon dioxide
D SO2
Ans: 1
54: Ranatra is -
A Diving beetle
B Water stick insect
C Back swimmer
D Giant water bug
Ans: 2
55: Calorific value of lipid in K cal/g is
A 4.2
B 6.4
C 9.4
D 16.0
Ans: 3
56: Microcystis is a _____ .
A Red algae
B Blue-green algae
C Brown algae
D Green algae
Ans: 2
57: Optimum temperature range for hatching IMC egg is-
A 20-24 °C
B 28-30 °C
C 10-15 °C
D 15-20 °C
Ans: 2
58: In the ecosystem, herbivores act as-
A Autotrops
B Primary consumers
C Secondary consumers
D Heterotroph
Ans: 2
59: A water body with low electrolytes and dissolved oxygen would be termed as-
A Oligotrophic
B Eutrophic
C Mesotrophic
D Dystrophic
Ans: 2
60: Genetically improved rohu is known as:
A. Madhurika
B Damayanti
C Hybrid rohu
D Jayanti
Ans: 4
61: Sewage-fed fish culture is traditionally practiced in:
A Bombay
B Delhi
C Kochi
D Kolkata
Ans: 4
62: Causative agent of fin rot is:
A Bacteria
B Fungus
C Algae
D Virus
Ans: 1
63: Which vitamin is destroyed by heating?
A . A
B. B
C. C
D. D
Ans: 3
64: Aflatoxin in fish feed is produced by:
A Algae
B Bacteria
C Fungi
D Virus
Ans: 3
65: Fish with foreign gene is known as:
A Exotic fish
B Indigenous fish
C Transgenic fish
D Hybrid fish
Ans: 3
66: The number of autosomal chromosomes in catla are -
A 24
B 30
C 44
D 48
Ans: 4
67: Gonochorism is defined as individuals:
A With both sexes at the same time
B With separate male and female sex
C Which are male first & female afterwards
D Which are females first and male afterwards
Ans: 2
68: Fish liver oil is a valuable source of vitamin
A A and D
B A and C
C A only
D D only
Ans: 1
69: Scientific names of fishes are written in
A English
B Greek
C Latin
D French
Ans: 3
70: The smallest taxon is a
A Kingdom
B Species
C Family
D Genus
Ans: 2
71: Lentic habitat pertains to:
A Rivers
B Lakes
C Oceans
D Estuaries
Ans: 2
72: Acidic soils are corrected by:
A Lime
B Gypsum
C Cow dung
D Urea
Ans: 1
73: The test to assess organic pollution is:
A BOD
B COD
C Acidity
D Odor
Ans: 1
74: Potamoplankton is:
A Plankton from pond
B Plankton from lotic water
C Plankton from sea
D Plankton from salt water
Ans: 2
75: Formula for estimation of natural mortality of fish was given by
A Ricker
B Beverton
C Gullund
D Paully
Ans: 1
76: The antibiotic Cytochalasin B is used to-
A Control of bacterial diseases
B Control of fungal diseases
C Production of ploidy
D Control of viral diseases
Ans: 3
77: Which one from the following is odd?
A Metacentric
B Sub-metacentric
C Acrocentric
D Acentric
Ans: 4
78: GnRH is
A Octapeptide
B Hexapeptide
C Tetrapeptide
D Decapeptide
Ans: 4
79: Dopamine is secreted from
A Adenohypophysis
B Neurohypophysis
C Hypothalamus
D Pineal
Ans: 3
80: Freshwater pearls can be developed in ______
A Pila globosa
B Crassostrea madrasensis
C Pinctada fucata
D Lamellidens marginalis
Ans: 4
81: The examples for symbolized visual aid
A Charts
B Graphs and maps
C Charts, Graphs and maps
D Text
Ans: 3
82: PRA stands for
A Participatory Research Appraisal
B Participatory Rural Appraisal
C Public rural Appraisal
D Public Research Appraisal
Ans: 2
83: : The active toxic ingredient in Mahua oilcake is
A Tannin
B Saponin
C Tyramine
D Estrogen
Ans: 2
84: Which one from the following represents the genotype of super male?
A XX
B XY
C YY
D YW
Ans: 3
85: One of the following fish is a weed fish of fish ponds
A Puntius sophore
B Glossgobius giuris
C Notopterus notopterus
D Mastacembelus armatus
Ans: 1
86: Phosphorus and nitrogen are highest in
A Poultry manure
B Cow dung
C Pig manure
D FYM
Ans: 1
87: The carps belong to the family-
A Teleastomi
B Cyprinidae
C Pterichthys
D Belonidae
Ans: 2
88: Incubation period of giant freshwater prawn egg is-
A 20-25 days
B 10-15 days
C 25-30 hrs.
D 30-35 hrs.
Ans: 1
89: Ctenopharyngodon idella is scientific name of-
A Silver carp
B Grass carp
C Rohu
D Common carp
Ans: 2
90: Which fish is called as aquatic chicken?
A Catla
B Rohu
C Tilapia
D Channa
Ans: 3
91: The egg size of M. rosenbergii is
A 0.3 mm
B 0.6-0.7 mm
C 0.9-1 mm
D 2 mm
Ans: 2
92: Simazine is used for controlling
A Blue green algae
B Fish lice
C white spot disease
D Bacterial disease
Ans: 1
93: Biologically optimal catch is called as
A MEY
B MSY
C SOY
D MEI
Ans: 2
94: The two most important qualities of the fish feed pellets are
A Colour and size
B Smell and taste
C Hardness and water stability
D Cost and availability
Ans: 3
95: Peacock tail is a variety of
A Swordtail
B Gold fish
C Platy
D Guppy
Ans: 2
96: Hypophysation technique was first used in
A China
B USA
C Brazil
D India
Ans: 3
97: The Gestation period of molly
A 28 days
B 60 days
C 12 days
D 24 days
Ans: 1
98. The planet Earth is covered by Oceans as much as
(A) 70.8% of its surface (B) 80.8% of its surface
(C ) 60.8% of its surface (D) 50.8% of its surface
Ans: A
99. The power required to overcome the hull resistance in a boat is called
(A) Brake horse power (B) Effective horse power
(C) Indicated horse power (D) Thermal horse power
Ans: B
100 . The new Eastern trade rate from Europe to Asia was established after the expedition to India by
(A) Christopher Columbus
(B) Vasco da Gama
(C) Ferdinand Magellan
(D) James cook
Ans: B
A Cross breeding
B Out breeding
C In breeding
D Close breeding
Ans: 3
52: Heterosis is achieved through
A Induced breeding
B Hybridization
C Gynogenesis
D Closed Breeding
Ans: 2
53: Gas bubble disease is associated with supper saturation of:
A Oxygen
B H2S
C Carbon dioxide
D SO2
Ans: 1
54: Ranatra is -
A Diving beetle
B Water stick insect
C Back swimmer
D Giant water bug
Ans: 2
55: Calorific value of lipid in K cal/g is
A 4.2
B 6.4
C 9.4
D 16.0
Ans: 3
56: Microcystis is a _____ .
A Red algae
B Blue-green algae
C Brown algae
D Green algae
Ans: 2
57: Optimum temperature range for hatching IMC egg is-
A 20-24 °C
B 28-30 °C
C 10-15 °C
D 15-20 °C
Ans: 2
58: In the ecosystem, herbivores act as-
A Autotrops
B Primary consumers
C Secondary consumers
D Heterotroph
Ans: 2
59: A water body with low electrolytes and dissolved oxygen would be termed as-
A Oligotrophic
B Eutrophic
C Mesotrophic
D Dystrophic
Ans: 2
60: Genetically improved rohu is known as:
A. Madhurika
B Damayanti
C Hybrid rohu
D Jayanti
Ans: 4
61: Sewage-fed fish culture is traditionally practiced in:
A Bombay
B Delhi
C Kochi
D Kolkata
Ans: 4
62: Causative agent of fin rot is:
A Bacteria
B Fungus
C Algae
D Virus
Ans: 1
63: Which vitamin is destroyed by heating?
A . A
B. B
C. C
D. D
Ans: 3
64: Aflatoxin in fish feed is produced by:
A Algae
B Bacteria
C Fungi
D Virus
Ans: 3
65: Fish with foreign gene is known as:
A Exotic fish
B Indigenous fish
C Transgenic fish
D Hybrid fish
Ans: 3
66: The number of autosomal chromosomes in catla are -
A 24
B 30
C 44
D 48
Ans: 4
67: Gonochorism is defined as individuals:
A With both sexes at the same time
B With separate male and female sex
C Which are male first & female afterwards
D Which are females first and male afterwards
Ans: 2
68: Fish liver oil is a valuable source of vitamin
A A and D
B A and C
C A only
D D only
Ans: 1
69: Scientific names of fishes are written in
A English
B Greek
C Latin
D French
Ans: 3
70: The smallest taxon is a
A Kingdom
B Species
C Family
D Genus
Ans: 2
71: Lentic habitat pertains to:
A Rivers
B Lakes
C Oceans
D Estuaries
Ans: 2
72: Acidic soils are corrected by:
A Lime
B Gypsum
C Cow dung
D Urea
Ans: 1
73: The test to assess organic pollution is:
A BOD
B COD
C Acidity
D Odor
Ans: 1
74: Potamoplankton is:
A Plankton from pond
B Plankton from lotic water
C Plankton from sea
D Plankton from salt water
Ans: 2
75: Formula for estimation of natural mortality of fish was given by
A Ricker
B Beverton
C Gullund
D Paully
Ans: 1
76: The antibiotic Cytochalasin B is used to-
A Control of bacterial diseases
B Control of fungal diseases
C Production of ploidy
D Control of viral diseases
Ans: 3
77: Which one from the following is odd?
A Metacentric
B Sub-metacentric
C Acrocentric
D Acentric
Ans: 4
78: GnRH is
A Octapeptide
B Hexapeptide
C Tetrapeptide
D Decapeptide
Ans: 4
79: Dopamine is secreted from
A Adenohypophysis
B Neurohypophysis
C Hypothalamus
D Pineal
Ans: 3
80: Freshwater pearls can be developed in ______
A Pila globosa
B Crassostrea madrasensis
C Pinctada fucata
D Lamellidens marginalis
Ans: 4
81: The examples for symbolized visual aid
A Charts
B Graphs and maps
C Charts, Graphs and maps
D Text
Ans: 3
82: PRA stands for
A Participatory Research Appraisal
B Participatory Rural Appraisal
C Public rural Appraisal
D Public Research Appraisal
Ans: 2
83: : The active toxic ingredient in Mahua oilcake is
A Tannin
B Saponin
C Tyramine
D Estrogen
Ans: 2
84: Which one from the following represents the genotype of super male?
A XX
B XY
C YY
D YW
Ans: 3
85: One of the following fish is a weed fish of fish ponds
A Puntius sophore
B Glossgobius giuris
C Notopterus notopterus
D Mastacembelus armatus
Ans: 1
86: Phosphorus and nitrogen are highest in
A Poultry manure
B Cow dung
C Pig manure
D FYM
Ans: 1
87: The carps belong to the family-
A Teleastomi
B Cyprinidae
C Pterichthys
D Belonidae
Ans: 2
88: Incubation period of giant freshwater prawn egg is-
A 20-25 days
B 10-15 days
C 25-30 hrs.
D 30-35 hrs.
Ans: 1
89: Ctenopharyngodon idella is scientific name of-
A Silver carp
B Grass carp
C Rohu
D Common carp
Ans: 2
90: Which fish is called as aquatic chicken?
A Catla
B Rohu
C Tilapia
D Channa
Ans: 3
91: The egg size of M. rosenbergii is
A 0.3 mm
B 0.6-0.7 mm
C 0.9-1 mm
D 2 mm
Ans: 2
92: Simazine is used for controlling
A Blue green algae
B Fish lice
C white spot disease
D Bacterial disease
Ans: 1
93: Biologically optimal catch is called as
A MEY
B MSY
C SOY
D MEI
Ans: 2
94: The two most important qualities of the fish feed pellets are
A Colour and size
B Smell and taste
C Hardness and water stability
D Cost and availability
Ans: 3
95: Peacock tail is a variety of
A Swordtail
B Gold fish
C Platy
D Guppy
Ans: 2
96: Hypophysation technique was first used in
A China
B USA
C Brazil
D India
Ans: 3
97: The Gestation period of molly
A 28 days
B 60 days
C 12 days
D 24 days
Ans: 1
98. The planet Earth is covered by Oceans as much as
(A) 70.8% of its surface (B) 80.8% of its surface
(C ) 60.8% of its surface (D) 50.8% of its surface
Ans: A
99. The power required to overcome the hull resistance in a boat is called
(A) Brake horse power (B) Effective horse power
(C) Indicated horse power (D) Thermal horse power
Ans: B
100 . The new Eastern trade rate from Europe to Asia was established after the expedition to India by
(A) Christopher Columbus
(B) Vasco da Gama
(C) Ferdinand Magellan
(D) James cook
Ans: B
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