Sponsor Area
Geomorphic Processes
Question
What are soils ?
Solution
Soils are products of a complex mixture of weathered and eroded rock material on the one hand and the organic matters on the other.
Question
What is humus?
Solution
The decomposition of plants and microorganisms releases organic chemicals that interact with the loose materials is called humus. It is the dead organic matter in the soil.
Question
Name the primary factors responsible for the development of soils.
Solution
The primary factors responsible for the development of soils are :
1. Parent material,
2. Climate,
3. Biological Activity,
4. Topography,
5. Time.
1. Parent material,
2. Climate,
3. Biological Activity,
4. Topography,
5. Time.
Question
How many essential elements are required by plants ?
Solution
Most plants require atleast 16 essential elements such as carbon, hydrogen, oxygen, phosphorus, nitrogen, sulphur, calcium, iron, magnesium, manganese, copper, zinc and chlorine, etc.
Plants utilise carbon, hydrogen, oxygen from air and water. Nitrogen, phosphorus and potassium are absorbed from soil and fertilizers.
Plants utilise carbon, hydrogen, oxygen from air and water. Nitrogen, phosphorus and potassium are absorbed from soil and fertilizers.
Sponsor Area
Mock Test Series
Mock Test Series