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Select the incorrect statements with respect to Cyclostomes.
(a) They lack scales and paired fins.
(b) They have circular mouth with jaws.
(c) They bear 6-15 pairs of gills.
(d) They migrate to deep sea for spawning.
Choose the most appropriate answer from the options given below:
Detailed Solution
(a) and (c) are correct. (b) is incorrect as cyclostomes have a sucking, circular mouth without jaws. (d) is incorrect as they migrate to fresh water for spawning.