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Questions
What is leaching?
Explain the leaching.
What is leaching of soil?
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Solution 1
Leaching is a process where water-soluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts.
Solution 2
Leaching is the natural process where heavy rainfall washes essential nutrients down into deep layers of the soil, making them unreachable by plant roots.
RELATED QUESTIONS
Common detritivores in our ecosystem are ______.
Distinguish between production and decomposition.
Define decomposition.
Write the different steps taken in humification and mineralisation during the process of decomposition.
The process of mineralization by microorganisms helps in the release of ______.
Decomposition is slow detritus is rich in ______.
How do you distinguish between humification and mineralisation?
A farmer harvests his crop and expresses his harvest in three different ways.
- I have harvested 10 quintals of wheat.
- I have harvested 10 quintals of wheat today in one acre of land.
- I have harvested 10 quintals of wheat in one acre of land, 6 months after sowing.
Do the above statements mean one and the same thing. If your answer is yes, give reasons. And if your answer is ‘no’ explain the meaning of each expression.
Assertion (A): Decomposition process is slower if detritus is rich in lignin and cutin.
Reason (R): Decomposition is largely an oxygen requiring process.
Identify the correct statements:
- Detrivores perform fragmentation.
- The humus is further degraded by some microbes during mineralization.
- Water soluble inorganic nutrients go down into the soil and get precipitated by a process called leaching.
- The detritus food chain begins with living organisms.
- Earthworms break down detritus into smaller particles by a process called catabolism.
Choose the correct answer from the option given below:
