Humus is :-
(i) Dark coloured amorphous substance
(ii) Highly resistant to microbial action and undergoes decomposition at an extremely slow rate
(iii) Being colloidal in nature
(iv) Acts as a reservoir of nutrients

Options

A. (i), (ii) are incorrect
B. i, iii & v are correct but iii incorrect
C. i, iii, iv are correct
D. All are incorrect

Answer

C