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Ecosystem Test ...

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  • Question 1
    1 / -0

    Temperature is considered as the most ecologically relevant environmental factor because it affects ________ of organisms 

  • Question 2
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    What kind of pyramid is represented by the given figure?

  • Question 3
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    Study the following ecological pyramids carefully. Match the following statements (i), (ii) and (iii) with given pyramids A, B and C and select the correct answer.
    (i) Inverted pyramid of biomass depicting small standing crop of phytoplanktons supporting a large standing crop of zooplanktons.
    (ii) Pyramid of numbers in a grassland ecosystem showing about $$6$$ million producers.
    (iii) Upright pyramid of biomass.

  • Question 4
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    Study the following statement and select the incorrect one.

  • Question 5
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    Primary succession occurs on

  • Question 6
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    Which one of the following is not one of the three aspects studied in biogeochemical cycling?

  • Question 7
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    Pyramid of numbers is?

  • Question 8
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    Which one of the following statements regarding CO gas is correct ?

  • Question 9
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    Match column I with column II and select the correct option from the given codes.

    Column IColumn II
    A. Pioneers(i) Vegetation which modifies its own environment and thus causing its own replacement
    B. Autogenic succession(ii) Replacement of existing community by external conditions
    C. Allogenic succession(iii) Establishment of organisms in an area into which they have come by dispersal or migration
    D. Ecesis(iv) Primary colonizers

  • Question 10
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    As the succession proceeds number and types of _________ change.

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