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Vertebrata Agnatha Pisces - Questions and Answers

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226. Rabbit Fish Chimaera is connecting link between
A. Cartilaginous and bony fishes
B. Bony fishes and lung fishes
C. Lung fishes and amphibians
D. Cyclostomates and chondrichthyes
Explanation:
227. Scroll valve is present in
A. Respiratory system of cartilaginous fishes
B. Intestine of cartilaginous fishes
C. Intestine of bony fishes
D. Respiratory system of bony fishes
Explanation:
228. Hippocampus has
A. Head at right angles to body
B. Prehensile tail
C. Only dorsal fin and reduced pectoral fins
D. All the above
Explanation:
229. In Torpedo or Electric Ray the electric organs are modified
A. Nerve nets
B. Cartilage complexes
C. Branchial muscles
D. Respiratory centres
Explanation:
230. Latimeria swims by means of
A. Flapping movement of its pectoral and pelvic fins
B. Rotational movement of its pectoral fins
C. Flapping movement of pectoral fins and rotational movement of pelvic fins
D. Rotational movement of tail fin
Explanation:
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