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Earn 100

Most fishes do not sink in water due to the presence of-
(I) Swim bladder
(II) Air bladder
(III) Air sacs
(IV) Air in spongy bones
(a)I & II are correct
(b)II & III are correct
(c)III & IV are correct
(d)I, II & III are correct

50% studentsanswered this correctly
Important Questions on Diversity in the Living World
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