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Biology Test 16...

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  • Question 1
    4 / -1

    Which one of the following  is a living  fossil and having calcareous shell ?

  • Question 2
    4 / -1

    Body of Neopilina is :-

  • Question 3
    4 / -1

    In Saccoglossus stomochord is present in :-

  • Question 4
    4 / -1

    Water vascular system is found in :-

  • Question 5
    4 / -1

    Open circulatory system is present in ?

  • Question 6
    4 / -1

    Retrogressive metamorphosis is seen in :

  • Question 7
    4 / -1

    Closed circulatory system is present in :-

  • Question 8
    4 / -1

    Excretion in cephalochordata is performed by

  • Question 9
    4 / -1

    Select the incorrect statement for given diagram :-

  • Question 10
    4 / -1

    How many are not aquarium fishes.

    Labeo, Catla, Clarias, Betta, Petrophyllum

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  • Unanswered - 10

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