is a process by which simplified detritus gets converted into a dark formless substance which is highly resistant to microbial action.

Humification

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Mineralisation

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Leaching

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Solution

The correct option is A Humification
The rate of catabolic action is different for different complex substances. This is known as differential decomposition. It is of two types:

Mineralisation is the process of release of minerals from the remains of organic matter.

Humification is the process by which simplified detritus gets converted into a dark formless substance known as humus. Humus is rich in cellulose, lignin, tannin, resins and it is highly resistant to microbial action. the decomposition is extremely slow.

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Similar questions

Q. is a process by which simplified detritus gets converted into a dark formless substance which is highly resistant to microbial action.

Q. The substance which undergoes decomposition by the microbial action is called a:

The process by which a solid directly gets converted into its vapour state is called___ .

The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume, If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume.

(a) Name the substance. (i) X (ii) Y and (iii) Z.

(b) What is the process of conversion of X into Y known as?

(d) What is the process of conversion of X into Z known as?

(e) At which temperature X gets converted into Z?

Q. The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume. If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume.

(a) Name the substances (i) X (ii) Y and (iii) Z.
(b) What is the process of conversion of X into Y known as ?
(c) At which temperature X gets converted into Y ?
(d) What is the process of conversion of X into Z known as ?
(e) At which temperature X gets converted into Z ?

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