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Vertebrata Agnatha Pisces - Questions and Answers

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236. A homocercal tail is found in
A. Teleosts
B. Sharks
C. Rays
D. Lung fishes
Explanation:
237. Association between Sucker Fish (Remora) and Shark is
A. Commensalism
B. Symbiosis
C. Predation
D. Parasitism
Explanation:
238. A common characteristic of all vertebrates is
A. Presence of skull
B. Division of body into head, neck, trunk and tail
C. Presence of two pairs of functional appendages
D. Body is covered with an exoskeleton
Explanation:
239. Vertebrates have
A. Dorsal tubular nerve cord
B. Ventrally situated heart
C. Body cavity with alimentary canal
D. All the above
Explanation:
240. A larvaevorous fish is
A. Gambusia
B. Solea
C. Anabas
D. Diodon
Explanation: