AIIMS 2018 May 26 Biology Morning Question Paper with solutions for online practice

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Question : 29 of 52
 
Marks: +1, -0
Which all belong to the same phylum?
(1)MammaliaBalaenoptera, Delphinus, Rattus, Felis
(2)PoriferaEuspongia, Scypha, Pennatula
(3)ArthropodaCrab, Limulus, Aplysia, Cockroach
(4)CoelenterataHydra, Gorgonia , Obelia, Sycon
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