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(A) : Decomposition is largely an oxygen...

(A) : Decomposition is largely an oxygen requiring process.
(R) : Decomposition rate is faster in detritus rich in lignin and chitin.

A

If both (A) and (R) are true but (R) is not the correct explanation of (A).

B

If both (A) and (R) are true and (R) is the correct explanation of (A).

C

If (A) is true but (R) is false.

D

If both (A) and (R) are false.

Text Solution

Verified by Experts

The correct Answer is:
C
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Which of the following statements regarding decomposition is false? I. Warm and moist favours decomposition. II. Decomposition rate is slower if detritus is rich in chitin and lignin. III. Earthworm is detritus. IV. Precipitation of soluble inorganic nutrients in the soil horizon as unavailable salt is called mineralization. V. Detritus is the raw material for decomposition.

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Knowledge Check

  • Decomposition rate is slow if detritus is rich in

    A
    Nitrogen
    B
    Humus
    C
    Sugars
    D
    Lignin and Chitin

  • Decomposition is slow when detritus is rich in

    A
    Nitrogen and water soluble
    B
    Lipid and fat
    C
    Protein and humus
    D
    Lignin and chitin

  • the rate of decomposition increases if detritus is rich in

    A
    Lignin and chitin
    B
    nitrogen compounds like protein and nucleic acid
    C
    tennis and cellulose
    D
    chitin and phenotics

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