1. of 22000 living species %age of bony fishes is_____________.
a. 0.92
b. 0.94
c. 0.93
d. 0.95
Correct Answer: d
.
2. The part of ocean where the fresh and marine water are mixing together is known as___________.
a. Estuary
b. Littoral zone
c. Profoundal zone
d. Sea
Correct Answer: a
.
3. Which of the following feed type contain more water than steam pelleted feed?
a. Extruded feed
b. All of these
c. Floating feed
d. Dry feed
Correct Answer: a
.
4. The culture of fish with other animals or plants is called as________.
a. Polyculture
b. Composite culture
c. Integrated culture
d. Monoculture
Correct Answer: c
.
5. Which of the following is the physcial property of water.
a. pH
b. Turbidity
c. Hardeness
d. DO
Correct Answer: b
.
6. Our globe contains_______ % freshwater and ________ % marine water.
a. 0.008,2.8
b. 97.2, 2.8
c. None of these
d. 2.8,97.2
Correct Answer: d
.
7. Usually average water of the pond maintained throughout the year is
a. 2.5meter
b. 3.5meter
c. 3.0meter
d. 1.5meter
Correct Answer: d
.
8. What is the main function of pan in hatchery?
a. Egg incubation
b. Aeration
c. Rearing of fry
d. Holding broodstock
Correct Answer: a
.
9. Taste and odor in wastewater cultured fish is due to?
a. Ethane
b. All of these
c. Hydrocarbon
d. Methane
Correct Answer: c
.
10. High concentration of Zinc in Aquatic inhabitants like fish’s causes____________.
a. Lamella hyperpelsia
b. None of these
c. Lamellar hyperpelsia
d. Lamellar thickening
Correct Answer: c
.
11. Tor putitora is called as?
a. Palla
b. Trout
c. Mahasheer
d. Cat fish
Correct Answer: c
.
12. The scientific name of grass carp is
a. Ctenopharyngdon idella
b. Cyprinus carpio
c. Labeo rohita
d. None of these
Correct Answer: a
.
13. Which one of them is our national fish?
a. Rahu
b. Tor putitora
c. Cyprinus carpio
d. Labeo rohita
Correct Answer: b
.
14. Which one of them is mouth breeder?
a. Mori
b. Tilapia
c. Rahu
d. Grass carp
Correct Answer: b
.
15. which type of pond is best for fish culture?
a. All of these
b. River pond
c. Earthen pond
d. Tank culturing pond
Correct Answer: b
.
16. Presence of barbels is characteristics of
a. Catfish
b. Carps
c. Mullets
d. All of these
Correct Answer: a
.
17. which step is followed in construction of ish pond?
a. Pond depth
b. Monk
c. dike
d. All of these
Correct Answer: d
.
18. Gill net is probably the__________ form of fishing.
a. None of these
b. Oldest
c. modern
d. recent
Correct Answer: b
.
19. Extensive fish culture have________.
a. None of these
b. Poor management skill
c. Good management skill
d. Moderate management skill
Correct Answer: b
.
20. Perpendicular distance b/w the end of the nape and ventral side of head is called as________.
a. body depth
b. Lower jaw length
c. Head depth
d. Gape of mouth
Correct Answer: c
.
21. Common name of Cirrihinus mrigala is
a. Naraini
b. All of these
c. Morakhi
d. Mori
Correct Answer: c
.
22. Appropriate word for periphyton is_______.
a. AUFWUCH
b. AUFBAU
c. AUFBUCH
d. AUFWUAO
Correct Answer: a
.
23. Running water plankton are called as
a. Heleoplankton
b. Rheoplankton
c. Limnoplankton
d. Halioplankton
Correct Answer: b
.
24. Type of fish culture in which two or more than two fish species are cultivated in a pond is called as_____.
a. All of these
b. Polyculture
c. Monoculture
d. Composite culture
Correct Answer: b
.
25. Local name of catla catla is_________.
a. Carp
b. Thaila
c. Mori
d. Rahu
Correct Answer: b
.
26. Piscivores are__________.
a. Feed on plants
b. Feed on Animals
c. Feed on fish
d. Feed on insects
Correct Answer: c
.
27. Which one of them is a herbivorus specie?
a. Tilapia
b. All of these
c. Grass carp
d. rahu
Correct Answer: c
.
28. Pisciculture is rearing and production of_________.
a. Birds
b. Prawns
c. Fishes
d. Amphibians
Correct Answer: c
.
29. Fishes that feed on young one of their own species are called as___________.
a. Cannibalistics
b. Mutulistics
c. Mortal feeders
d. All of these
Correct Answer: a
.
30. The bony armor fishes are__________.
a. All of these
b. Ostracoderms
c. Gnathostomes
d. Agnathans
Correct Answer: b
.
31. Egg laying capicity of fish is about
a. 10-100
b. 100-1000
c. All of these
d. 100-1000
Correct Answer: d
.
32. In which country fish farming is done at greater rate?
a. China
b. Malysia
c. Pakistan
d. USA
Correct Answer: a
.
33. Most dangerous fish in the world is?
a. Gulfam fish
b. Moray eel
c. Whale fish
d. Catfish
Correct Answer: b
.
34. Single celled marine algae is__________?
a. Desmids
b. Diatom
c. Brown algae
d. Green algae
Correct Answer: a
.
35. For disinfection of fish pond ________ ammount of quicklime is advisable.
a. 5g/l
b. 50g/kg
c. 50g/l
d. 5ookg/hac
Correct Answer: d
.
36. Tumors or warts on body of fish is symptoms of?
a. HIS
b. VHS
c. Lymphocystis
d. IPN
Correct Answer: c
.
37. Dropsy is caused by________ bacteria.
a. Aeromonas salmonicida
b. Aeromonas spp
c. All of these
d. Aeromonas punctata
Correct Answer: d
.
38. In furunculosis Aeromonas salmonicida breed in________.
a. Blood vessels
b. Small intestine
c. Digestive tract
d. All of these
Correct Answer: a
.
39. Local swelling of muscles and necrosis of kidney is symptoms of____________.
a. tail rot or fin rot
b. Vibriosis
c. Dropsy
d. Furunculosis
Correct Answer: b
.
40. Fish exhibit whirling motion and greatly emaciated in_________?
a. Sparolegniosis
b. All of these
c. Hexamitiasis
d. Velvet
Correct Answer: c
.
41. Gass bubble disease is also called as
a. Diatry disease
b. All of these
c. Hypoxia
d. Anoxia
Correct Answer: c
.
42. Anoxia reduce oxygen to__________.
a. 4ppm
b. 5ppm
c. 6ppm
d. 3ppm
Correct Answer: d
.
43. The most appropriate and suitable type of fish pond is__________.
a. Excavated cum elevated pond
b. Embankment pond
c. Excavated pond
d. Contour pond
Correct Answer: a
.
44. Area for raising pond is______?
a. 4.0-8.0ha
b. 1.2-2.0 m
c. 2.0-4.0 ha
d. 0.2-2.0 ha
Correct Answer: d
.
45. Ideal and good fish pond water have pH range of
a. 7.0-8.0
b. 8.5-9.0
c. 6.5-7.5
d. 7.5-8.5
Correct Answer: d
.
46. Fish is a___________ vertebrate.
a. Cold blooded
b. Warm blooded
c. Poikilothermic
d. All of these
Correct Answer: a
.
47. The first fish pond is established by__________.
a. Sumerians
b. Assyerians
c. Egyptians
d. All of these
Correct Answer: d
.
48. Grass carp was brought to_______ in________.
a. CIFRI,1972
b. China, 1972
c. Malesiya 1972
d. China, 1973
Correct Answer: a
.
49. No of amino acids that are considered as indispensable.
a. 18
b. 20
c. None of these
d. 10
Correct Answer: d
.
50. Which one is best method for the artifical production of fish feed.
a. All of these
b. Pearson square method
c. Linear programing
d. Hypophysation method
Correct Answer: b
.
