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Free download in PDF Fisheries Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
In India which of the following genera of earthworms is extensively used for vermiculture
[A]
Eudrilus
[B]
Pheretima
[C]
Eudrigaster
[D]
Pontoscolex
(2)
Induced breeding technique is used in
[A]
Culture fishery
[B]
Marine fishery
[C]
Capture fishery
[D]
Inland fishery
(3)
Isinglass is employed in
[A]
Clearing of wines
[B]
Preservation of wines
[C]
Preparation of wines
[D]
Distillation of wines
Answer: Clearing of wines
(4)
One of the following is not a benefit of vermicompost
[A]
Reduction in microbialo activity
[B]
increased availability of minerals
[C]
Protection of water bodies from pollution
[D]
increased hydration and aeration
Answer: Reduction in microbialo activity
(5)
Smooking is used as a technique of
[A]
Fish preservation
[B]
Crop harvesting
[C]
Crystalisation of sugar
[D]
Mushroom cultivation
Answer: Fish preservation
(6)
Pisciculture is rearing and production of
[A]
Fishes
[B]
Wool yielding animals
[C]
Birds
[D]
None of the above
(7)
pH of vermiculture is kept at
[A]
Near neutral
[B]
Highly alkaline
[C]
Alkaline
[D]
Acidic
(8)
Inand fisheries are
[A]
raising and capturing fishes in fresh water
[B]
oil extraction from fish
[C]
deep sea fishing
[D]
capturing fishes from sea coast
Answer: raising and capturing fishes in fresh water
(9)
If more than single species of fish is cultured at a time, then it is called
[A]
Polyculture
[B]
Mori culture
[C]
Monoculture
[D]
Aquaculture
(10)
Identify the edible freshwater teleost
[A]
Sharks
[B]
Hilsa ilisha
[C]
Rays and skates
[D]
Catla catla
(11)
Bony armor fishes are:
[A]
Ostracoderms
[B]
Elasmobranchs
[C]
Placoderms
[D]
None of the above
(12)
The fish remained buried in the mud and sand is:
[A]
Sharks
[B]
Ostracoderms
[C]
Hag Fishes
[D]
Lamprey
(13)
Sucking mouth and rasping tongue is present in :
[A]
Ostracoderms
[B]
Lampreys
[C]
Hag fishes
[D]
Sharks
(14)
The larva of Lamprey is:
[A]
Ammocoete
[B]
Trochophore
[C]
Tadpole
[D]
Tonaria
(15)
Cartilaginous fishes are:
[A]
Osteichthyes
[B]
Chindrichythyes
[C]
Acanthodians
[D]
Placoderms
(16)
Placoid scales are present in:
[A]
Sharks
[B]
Hag Fishes
[C]
Lamprey
[D]
Salmons
(17)
The lung fish found in tropical Africa is:
[A]
Neoceratodus
[B]
Protopterus
[C]
Lepidosiren
[D]
None
(18)
Which fish of the following aestivate?
[A]
Neoceratodus
[B]
Protopterus
[C]
Lepidosiren
[D]
None
(19)
Some elasmobranchs have modified pelvic fin for copulation called:
[A]
Clasper
[B]
Cloaca
[C]
Penis
[D]
None
(20)
Elasmobranchs remove sodium chloride through:
[A]
Gills
[B]
Kidney
[C]
Liver
[D]
Rectal glands
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