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Ecosystem Test ...

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  • Question 1
    1 / -0

    An ecosystem which can be easily ruined/damaged but can recover after some time if damaging effect stops. The ecosystem is characterised by having

  • Question 2
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    The simplest of all nutrient cycles operating in an ecosystem is .......... cycle.

  • Question 3
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    In a lake ecosystem, pyramid of biomass is

  • Question 4
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    Select the correct match :

    III
    i) Competitiona) Tapeworm and man
    ii) Commensalismb) Lichen
    iii) Mutualismc) Cattle egret and cattle
    iv) Parasitismd) Lions and Leopards

  • Question 5
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    Series of changes on  previously barren area is 

  • Question 6
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    Instead of excreting, these can store urea in the tissues

  • Question 7
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    As compared to seral communities, the number of niches in climax communities would be 

  • Question 8
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    A community, which starts succession in a habitat is 

  • Question 9
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    What does the following sequence represent ?


    Blue-Green Algae $$\rightarrow$$ Crustose Lichens $$\rightarrow$$ Foliose Lichens $$\rightarrow$$ Mosses $$\rightarrow$$ Shrubs $$\rightarrow$$ Dicotyledonous trees 

  • Question 10
    1 / -0

    Keystone species is of 

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