Question

6. Why is nitrogenous fertilizer not added in soil in which leguminous plants are grown?
7. How does a saprophyte digest its food?
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Answer 1

Explanation:

6. It is usually found in the roots of leguminous plants such as gram, peas, moong, etc. The plants provide food and shelter to bacteria, and in return, bacteria fix nitrogen for the plants. ... Hence, external supply of nitrogenous fertilizers is not required to be added in soil in which leguminous plants are grown.

7. The saprophytes secrete digestive juices on dead and decaying matter and convert it into a solution. They then absorb the nutrients from it. In this way, they digest their own food and derive nutrients from it.