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Vertebrata Agnatha Pisces - Questions and Answers

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201. Which of the following is lung fish?
A. Exocoetus
B. Neoceratodus
C. Necturus
D. Scoliodon
Explanation:
202. In fishes the exoskeleton is made of
A. Cartilage
B. Bones
C. Hairs
D. Scales
Explanation:
203. The sucker of Remora is modification of
A. Dorsal fin
B. Pectoral fin
C. Mouth
D. Operculum
Explanation:
204. Claspers of male Scoliodon develop in relation to
A. Pectoral fins
B. Pelvic fins
C. Anal or ventral fin
D. Dorsal fins
Explanation:
205. Heart of fishes is
A. One chambered
B. Two chambered and mixed
C. Two chambered and venous
D. Three chambered and mixed
Explanation:
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