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ECOSYSTEM

Quiz by JOSHILA VIJI

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7 questions
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  • Q1
    The process of mineralisation by micro organisms helps in the release of
    inorganic nutrients from detritus and formation of humus
    inorganic nutrients from humus
    organic nutrients from humus
    both organic and inorganic nutrients from detritus
    30s
  • Q2
    2. An inverted pyramid of biomass can be found in which ecosystem?
    tundra
    Marine
    grass land
    forest
    30s
  • Q3
    Which of the following is not a producer?
    nostoc
    spirogyra
    Agaricus
    volvox
    30s
  • Q4
    4. Which of the following ecosystem is most productive in terms of net primary production?
    estuaries
    oceans
    Tropical rain forests
    desert
    30s
  • Q5
    5. Pyramid of number is
    always inverted
    neither upright or inverted
    either upright or inverted
    always upright
    30s
  • Q6
    6. Among the following biogeochemical cycles which one does not have losses due to respiration?
    All of the above
    nitrogen
    phosphorus
    sulphur
    30s
  • Q7
    7. During the process of ecological succession the changes that take place in communities are
    random
    very quick
    very slow
    orderly and sequential
    30s

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