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Which one of the following processes dur...

Which one of the following processes during decomposition is correctly described?

A

Fragmentation - Carried out by organisms such as earthworm

B

Humification - Leads to the accumulation of a dark coloured sustance humus, which resistant to microbial action at a very fast rate

C

Catabolism - Last step in the decomposition under fully anaerobic condition

D

Leaching - Water soluble inorganic nutrients rise to the top layers of soil

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The correct Answer is:
A
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ARIHANT NEET-ECOSYSTEM-Exercises C Medical entrances gallery (collection of questions Asked in NEET & Various Medical Entrance Exams)
  1. Lindemann for the first time gave energy transfer law, which states th...

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  2. Identify the incorrect statements from the following.

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  3. Which one of the following processes during decomposition is correctly...

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  4. Which one of the following organism from the decomposers ?

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  5. In a stable ecosystem, which of the following limits the number of tro...

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  6. Energy and nutrients enter a community by

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  7. Natural reservoir of phosphorus is

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  8. Secondary productivity is rate of formation of new organic matter by:

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  9. Trophic level of food chain having greatest amount of energy is

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  10. The upright pyramid of number is absent in

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  11. Maximum contribution of oxgyen is got from

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  12. The biomass available for consumption by the herbivores and the decomp...

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  13. In an ecosystem , at a particular time, standing crop includues

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  14. In a pyramid of biomass, if the total dry weight (kg//m^(2)) of primar...

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  15. Given below is an imaginary pyramid of numbers. What could be one of t...

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  16. Which one of the following is not a functional unit of an ecosystem

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  17. Identify the likely organisms I, II, III and IV in the food web shown ...

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  18. The important steps in the process of decomposition are

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  19. Trophic levels in ecosystem is formed by

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  20. Which one of the following statements is correct for secondary success...

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