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Free download in PDF Fisheries Objective Type 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.
(21)
The major osmoregulatory organ in fishes is:
[A]
Kidney
[B]
Liver
[C]
Stomach
[D]
Gills
(22)
Large rostrum is found in:
[A]
Paddle fishes
[B]
Lamprey
[C]
Sharks
[D]
Chimeras
(23)
The number of species of teleosts fishes are:
[A]
10.000
[B]
15.000
[C]
20.000
[D]
25.000
(24)
Which fish is important for caviar?
[A]
Sturecons
[B]
Lepidosiren
[C]
Protopterus
[D]
Neoceratodus
(25)
The fish live in stagnant water is:
[A]
Lepidosiren
[B]
Protopterus
[C]
Neoceratodus
[D]
None
(26)
Rat fishes are:
[A]
Chimeras
[B]
Salmons
[C]
Lamprey
[D]
Sharks
(27)
The extinct body fishes are:
[A]
Placoderms
[B]
Chondrichthyes
[C]
Acanthodians
[D]
Osteichthyes
(28)
The armored fishes are:
[A]
Placoderms
[B]
Chondrichthyes
[C]
Osteichtliyes
[D]
Acanthodians
(29)
Number of species of Osteichthyes are:
[A]
15, 000
[B]
10, 000
[C]
20, 000
[D]
25,000
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