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Vertebrata Agnatha Pisces - Questions and Answers

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36. Growing more than one species of fish in the same water body is
A. Moriculture
B. Aquaculture
C. Monoculture
D. Polyculture
Explanation:
37. Which of the following statements is true
A. All chordates are vertebrates
B. All vertebrates are chordates
C. Invertebrates possess a tubular nerve cord
D. Nonchordates have a vertebral column
Explanation:
38. Which is unique in fishes?
A. Gills
B. Tails
C. Lateral line sensory organs
D. Lungs
Explanation:
39. Air bladder occurs in
A. Torpedo
B. Scoliodon
C. Anabas
D. Elasmobrach
Explanation:
40. Which one is a Cat Fish
A. Labeo rohita
B. Catla catla
C. Cirrhina mrigala
D. Wallago attu
Explanation: