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Biology Test 28...

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  • Question 1
    4 / -1

    The blood circulation in the lamellae of gills is arranged so that blood is carried in the opposite direction to the movement of water. The functional significance of this arrangement is that

  • Question 2
    4 / -1

    The smallest carinatae bird

  • Question 3
    4 / -1

    Spider, cockroach and centipede have in common

  • Question 4
    4 / -1

    A web spinned by a spider is by means of a secretion of

  • Question 5
    4 / -1

    Alternation of generation is a characteristic feature of Plant Kingdom. It does not take place in Escherichia coli because of there is no

  • Question 6
    4 / -1

    In unfavorable conditions, bacteria produces resting spores. They are called as

  • Question 7
    4 / -1

    Conifers differ from grasses in the

  • Question 8
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    Heterospory and seed habit are often exhibited by a plant possessing

  • Question 9
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    An organisms’s evolutionary history is known as

  • Question 10
    4 / -1

    Which of the following is excretory organ of arthropods?

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