HARD
Earn 100

Which of these birds cannot fly
(a)Peacock
(b)Duck
(c)Emu
(d)Stork

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

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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

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