Question

Q1. M.C.Q
1. dark colour of soil is due to the presence of large amount of :-
(a) silt ( ) (b) humus ( ) (c) gravavel ( )
class7 , sub - science .​

Answer 1

Answer:

The correct answer is (b) Humus.

Explanation:

• Humus is quite a dark or black color soil.
• It is made up of organic matter such as dead plants, trees, animals, and other organisms and waste material.
• Humus contains a good amount of minerals (like nitrogen) that promoted healthy plants and trees.
• It traps water well enough and provides it to the plants.
• It also pretends soil erosion.

Conclusion:

The dark color of the soil is due to the presence of a large amount of humus.