1.
Number of afferent vessels are:
A
1
B
2
C
4
D
5
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Number of afferent vessels are:
1
2
4
5
The maxillary barbels in this fish are equal to rostral barbels in length
Labeo dero
Tor putitora
Tor tor
Tor khudree
The larva of Lamprey is:
Trochophore
Tadpole
Ammocoete
Tonaria
Out of following the Indian trout is
Barilius bola
Salmo trutta fario
Salmo gairdneri
Denio devario
One of the following is not a benefit of vermicompost
Protection of water bodies from pollution
Reduction in microbialo activity
increased availability of minerals
increased hydration and aeration
Which fish of the following aestivate?
Neoceratodus
Protopterus
Lepidosiren
None
The lung fish found in tropical Africa is:
Neoceratodus
Protopterus
Lepidosiren
None
Which fish is important for caviar?
Lepidosiren
Protopterus
Neoceratodus
Sturecons
The fish live in stagnant water is:
Lepidosiren
Protopterus
Neoceratodus
None
For induced breeding in carps this is not used
Ovaprim
Ovatide
Wova-FH
Methyltestosterone
Bony armor fishes are:
Placoderms
Ostracoderms
Elasmobranchs
None
The armored fishes are:
Chondrichthyes
Osteichtliyes
Placoderms
Acanthodians
The extinct body fishes are:
Chondrichthyes
Osteichthyes
Placoderms
Acanthodians
The hormone administered in fish diet for promoting maleness in grass carp is
Thyroxine
Oestrogen
Methyltestosterone
FSH
Smooking is used as a technique of
Fish preservation
Mushroom cultivation
Crystalisation of sugar
Crop harvesting
During mating process in carps when male chase behind the female, this type of chasing is called
Thypogyne
Lingyne
Lataerogyne
Subgyne
Which of the following fishes is viviparous?
Salmons
Lamprey
Sharks
Chimeras
Rat fishes are:
Salmons
Lamprey
Sharks
Chimeras
Placoid scales are present in:
Salmons
Lamprey
Sharks
Hag Fishes
Large rostrum is found in:
Paddle fishes
Lamprey
Sharks
Chimeras