STANDARDBotany-Soil Science
STANDARD Botany Soil Composition MCQ Question
Type: MCQ-conceptual-Easy
Humus is important for plant growth because
A
It is partially decomposed
B
It is derived from leaves
C
It is rich in nutrients and increases the water holding capacity of the soil
D
It is made up of dead organic matter
Correct Answer
Option C
Detailed Explanation
Humus is important because it retains moisture in the soil, loosens the soil, permitting better aeration and drainage, and encourages the increase of soil organisms which help make nutrients available to plants.
Found an issue with this question?