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Vertebrata Agnatha Pisces - Questions and Answers

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246. A fish capable of hibernating during drought is
A. Heteropneustes
B. Channa
C. Catla
D. Lates
Explanation:
247. Chondrichthyes can be differentiated from osteichthyes externally by
A. Naked gills
B. Heterocercal tail
C. Ventral mouth
D. All the above
Explanation:
248. Gambusia is
A. Parasitic Fish
B. Pest of fishes
C. Fish predator of mosquito larvae
D. A mosquito spreading yellow fever
Explanation:
249. Branch of biology dealing with study of fishes is
A. Fishery
B. Toxicology
C. Ichthylogy
D. Piscology
Explanation:
250. Lophius occurs in
A. Fresh water ponds
B. Streams
C. Sea bottom
D. Sea shores
Explanation:
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