Which of the following are similar in their basic function?
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a
Nephridia and parapodia – Excretion
b
Air bladder and urinary bladder – Excretion
c
Parapodia and comb plates – Locomotion
d
Tympanum and operculum – Hearing
answer is C.
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Detailed Solution
Parapodia and comb plates are the locomotory structures in annelids and ctenophores respectively.Tympanum helps in hearing while operculum is a lid that covers gills in bony fishes.Air bladder helps in buoyancy while urinary bladder stores urine.Nephridia help in excretion.