Identify the correct terms for the following analogy-based questions:
$(i)$ Porifera : Choanocytes :: Platyhelminthes : ....
$(ii)$ Chondrichthyes : Placoid scales :: Osteichthyes : ....

  • A
    $(i)$ Flame cells,$(ii)$ Cycloid scales
  • B
    $(i)$ Cnidoblasts,$(ii)$ Ctenoid scales
  • C
    $(i)$ Nephridia,$(ii)$ Placoid scales
  • D
    $(i)$ Choanocytes,$(ii)$ Ctenoid scales

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Similar Questions

Match the animals listed in Column-$I$ with their respective zoological names given in Column-$II$; choose the answer which gives the correct combination of the alphabets of the two columns.
Column-$I$Column-$II$
$(A)$ Starfish$(p)$ Sepia
$(B)$ Jellyfish$(q)$ Asterias
$(C)$ Devilfish$(r)$ Aurelia
$(D)$ Cuttlefish$(s)$ Octopus

Select the correct statement.

Identify the correct terms for the following analogy-based questions:
$(i)$ Aquatic Annelids : Parapodia :: Arthropods : ....
$(ii)$ Annelids : Nephridia :: Arthropods : ....

Which of the following is not a parasitic adaptation?

Statement $X$: All chordates are not vertebrates.
Reason $Y$: $Balanoglossus$ is not a vertebrate.

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