Cycling of Materials
Cycling of Materials
Cycling of Materials (Nutrient Cycles):
Of the more than hundred elements known to occur in nature, thirty to forty are required by living organisms.
These elements not only provide the building blocks for the living. but are also needed for the operation of the living system. These elements which are essential for life are known as biogenic nutrients. Biogenic nutrients are absorbed by plants from the soil, water arid air. They enter the living world at the producer level and get transferred to other trophic levels.
Problem of solid waste disposal can be reduced through ___________________ | |||
| Right Option : A | |||
| View Explanation | |||
Biogenic nutrients are absorbed by plants from the _______________________. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) The elements provides the building blocks for the living. (b) Of the more than hundred elements known to occur in nature, all are required by living organisms. (c) Of the more than hundred elements known to occur in nature, thirty to forty are required by living organisms. | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
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Shivam Rana
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8thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
