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Animal Kingdom question

2010 · Q20
Guest · try one question or challengeGuest · try one question or challenge
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Animal Kingdom question

2010 · Q20

NEETBiologyAnimal KingdomMCQ+4 / −1
Crocodile and penguin are similar to whale and dogfish in which one of the following features?
  1. A
    Possess a solid single stranded central nervous system
  2. B
    Lay eggs and guard them till they hatch
  3. C
    Possess bony skeleton
  4. D
    Have gill slits at some stage
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