Which of the following is not true for humus?

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(D) Humus is a dark-coloured,amorphous substance that is highly resistant to microbial action and undergoes decomposition at an extremely slow rate. I

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They are degradation products of proteins and fats and are produced by the process of mineralisation

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(D) Humus is a dark-coloured,amorphous substance that is highly resistant to microbial action and undergoes decomposition at an extremely slow rate. It acts as a reservoir of nutrients. Humus is formed through the process of humification,not mineralisation. Mineralisation is the process by which microbes further degrade humus to release inorganic nutrients. Therefore,option $D$ is incorrect as it misidentifies the process of formation.

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