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Detritus food chain in comparison to gra...

Detritus food chain in comparison to grazing food chain is generally

A

longer

B

equal

C

shorter

D

None of these

Text Solution

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The correct Answer is:
C
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Detritus food chain begins from

Define grazing food chain

Detritus food chain end up on

Detritus food chain begins with the

(a) What is a trophic level in an ecosystem ? What is 'standing crop' with reference to it? (b) Explain the role of the 'first trophic level' in an ecosystem. (c) How is the detritus food chain connected with the grazing food chain in a natural ecosystem ?

Assertion:-Detritus food chain may be connected with grazing food chain at some levels. Reason: Some of the organisms are of Omnivores in nature.

How many of the following statements is /are correct about food chains ? (1 ) GFC is the major conduit of energy flow in an aquatic ecosystem. (2) Source of energy in the detritus food chain is not directly the sun (3) Detritus food chain may be connected to grazing food chain somewhere . (4) In a grazing food chain, the size of organisms always decreases at higher levels.

In the following questions , a statement of assertion (A) is followed by a statement of reason (R). A: In an aquatic ecosystem grazing food chain is the major conduit for energy flow R: Detritus food chain may be connected with the grazing food chain at some levels.

The detritus food chain begins with:

ARIHANT NEET-ECOSYSTEM-Exercises A Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
  1. In ecological sence, desert animals are termed as

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  2. Total organic matter present in an ecosystem is called

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  3. Detritus food chain in comparison to grazing food chain is generally

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  4. Tip of ecological pyramid is occupied by:

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  5. In terrestrial ecosystem maximum energy is present in

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  6. Biogeochemical cycle having a small gaseous component is found in

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  7. Biogeochemical cycles are also called

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  8. How did nitrogen enter plants ?

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  9. Where is the most productive area of the ocean ?

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  10. Most animals that live in deep oceanic waters are:

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

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  12. The largest reservoir of phosphorus in the biosphere is the

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  13. Phosphorus cycles in the form of

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  14. Which of the following atoms most often limits the primary productivit...

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  15. Which of the following atoms typically cycles within the most localise...

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  16. Energy transfer from organism to organism in a natural community devel...

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  17. The Millennium Ecosystem Assessment distinguished ecosystem services i...

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  18. The process of transformation of a set of natural soil, plants, air, w...

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  19. The spatial pattern of an ecosystem are

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  20. The organisms which physically and chemically break the complex organi...

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