12th Class Biology Sample Paper Biology Olympiad Sample Paper-1

  • question_answer
    Fragmentation, leaching and catabolism are some of the important steps decomposition. Study the following statements ((i), (ii) and (iii)) regarding these am select the correct option.
    (i) Detritivores (e.g., earthworm) break down detritus into smaller particles.
    (ii) Water soluble inorganic nutrients go down into soil horizon and get precipitatel as unavailable salts.
    (iii) Decomposers (e.g., bacteria and fungi) excrete digestive enzymes and degrade detritus into simpler inorganic substances.

    A)
    Leaching Fragmentation Catabolism
    (i) (ii) (iii)

    B)
    (iii) (ii) (i)

    C)
    (ii) (i) (iii)

    D)
    (ii) (iii) (i)

    Correct Answer: C


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