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Breakdown of detritus into smaller parti...

Breakdown of detritus into smaller particles by earthworm is a process called

A

humification

B

fragmentation

C

mineralisation

D

catabolism

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The correct Answer is:
B
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(A) Each trophic level, a certain mass of living material at a particular time and as …….P………. (B)Breakdown of detritus into smaller particles , this process is called ………Q………. Fill in the blanks with suitable word.

Detrivores break down detritus into smaller particles. This process is called

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Fill in the blanks with a suitable word . i. The vertical distribution of different species occupying different levels is called ......a....... ii. The breakdown of detritus into smaller particles is called .......b....... iii. In each trophic level , a certain mass of living material at a particular time is called .......c.......

Fragmentation, leaching and catabolism are some of the important steps of decomposition. Study the following statements I , ii and iii regarding these and select the correct option. (i) Detritivores (e.g., earthworm) breakdown detritus into smaller particles. (ii) Water soluble inorganic nutrients go down into soil horizon and get precipitated as unavailable salts. (iii) Decomposers (e.g., bacteria and fungi) secrete digestive enzymes and degrade detritus into simpler inorganic substances.

Segments of earthworm are called

The preoral segment in earthworms is called:

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How are nutrients retained in the ecosystem? What is this process called?

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TRUEMEN BIOLOGY ENGLISH-ECOSYSTEM -MCQ
  1. Identify the following food chain: Dead animal Blow fly maggots rarr C...

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  2. Ecological efficiency is

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  3. Breakdown of detritus into smaller particles by earthworm is a process...

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  4. Decomposers like fungi and bacteria are (i) Autotrophs (ii) Heterotr...

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  5. The process of mineralisation by micro organisms helps in the release ...

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  6. Which of the following is not a producer?

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  7. Among the following, where do you think the process of decomposition w...

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  8. How much of the net primary productivity of a terrestrial ecosystem is...

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  9. During the process of ecological succession the changes that take plac...

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  10. Which of the following type of ecosystem is expected in an area where ...

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  11. The zone at the edge of a lake or ocean which is alternatively exposed...

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  12. Edaphic factor refers to

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  13. Oceans occupy A percent of the earth surface and have a productivity o...

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  14. Bacterial and fungal enzymes degrade the detrius into simple inorganic...

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  15. Read the following statements about 'Humus', Choose the best option ...

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  16. All favour the process of decomposition except

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  17. Sun is the only source of energy for the given ecosystems except

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  18. In a terrestrial ecosystem the large fraction of energy flows through

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  19. Choose how many out of the given list are omnivores- Rabbit, Sparrow, ...

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  20. Choose the option which gives the correct order of the organisms in th...

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