Which of the following statements is correct | vedclass

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(A) Humus is a dark-colored,amorphous substance formed by the process of humification during decomposition.$(P)$ Humus is colloidal in nature,which al

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$P$ and $Q$

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(A) Humus is a dark-colored,amorphous substance formed by the process of humification during decomposition.$(P)$ Humus is colloidal in nature,which allows it to serve as a reservoir of nutrients. This statement is correct.$(Q)$ Humus is rich in nutrients and acts as a nutrient reservoir for plants. This statement is correct.$(R)$ Humus is highly resistant to microbial action and undergoes decomposition at a very slow rate. Therefore,the statement that its degradation is not possible is incorrect,as it does degrade,albeit very slowly. Thus,statements $(P)$ and $(Q)$ are correct.

Which of the following statements is correct regarding Humus?
$(P)$ It is colloidal in nature.
$(Q)$ It is rich in nutrients.
$(R)$ It is highly resistant to microbial decomposition.

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Which of the following statements is correct regarding Humus?$(P)$ It is colloidal in nature.$(Q)$ It is rich in nutrients.$(R)$ It is highly resistant to microbial decomposition.