Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Ecosystem

Question:
Which of the following are the features of humus?
i. Light coloured amorphous substance
ii. Highly resistant to microbial action.
iii. Very high decomposition rate
iv. Reservoir of nutrients.
Options:
i,iii
i,ii and iii
ii and iv only
All of these
Correct Answer:
ii and iv only
Explanation:
Humus is a dark coloured amorphous substance, highly resistant to microbial action, having a very low decomposition rate and a nutrient reservoir. It is formed by the process of humification.