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Undecomposed organic matter of soil....

Undecomposed organic matter of soil.

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Fully decomposed organic matter is called :

Read the given statements and select the correct option. Statement 1 : Decomposition is the physical and chemical breakdown of complex organic matter into simple inorganic substances. Statements 2: Humification is the process of formation of humus from detritus or organic remains.

Study of soil.

By taking an example of any ecosystem arrange the functions given below in correct sequence. (i) Heterotrophs die and accumulate as organic material. (ii) Heterotrophs consume autotrophs. (iii) Autotrophs convert inorganic material. (iv) Decomposers decompose organic material (v) Nutrients are released in the soil and reused by autotrophs.

____ is the rate of production of organic matter by consumers.

What is called the accumulated microorganisms and organic matter in the treatment of sewage?

Name the term used for rate of storage of organic matter not used by heterotrophs.

Food chain which starts from dead organic matter is called _____ food chain.

The highly degraded organic matter rich in nitrogen and potassium in particulas, resulting from the activity of earthworms is called:

MBD PUBLICATION-ECOSYSTEMS-QUESTION BANK
  1. Study of soil.

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  2. Fully decomposed organic matter is called :

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  3. Undecomposed organic matter of soil.

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  4. Position of the slope with respect to exposure to sun-ray.

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  5. Plants growing on saline soil are called.

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  6. An integral system resulting from interaction of living organisms and ...

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  7. The total amount of living matter present in the individual organism. ...

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  8. Transfer of food energy in oranisms in an ecosystem through a series o...

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  9. A transitional zone between the sea and river.

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  10. Study of the relation between agricultural crops and environment.

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  11. Inhibition of growth of one organism by another organism.

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  12. Plants growing on acidic soil are called.

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  13. Plants growing on rocks and stones.

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  14. The communities as a whole interact with the physical environment to f...

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  15. The effects resulting from vital activities of plants and animals cons...

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  16. In sun plants the chloroplasts are arranged against vertical walls of ...

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  17. The stomata which remain closed during day-time and open at night is c...

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  18. Injury to plant cells due to ice crystal formation is calledinjury.

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  19. is the ratio of real humidity and humidity which the air can hold at s...

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  20. Structure, composition and characteristics of soil together constitute...

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