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The first link in any food chain is gree...

The first link in any food chain is green plants because:

A

they are widely distributed

B

they are firmly fixed to the soil

C

they alone have a capacity to fix atmosphere `CO_(2)` in the presence of sunlight

D

all of these

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VMC MODULES ENGLISH-ECOSYSTEM-EFFICIENT
  1. In deep aquatic ecosystem which of the following are major autotrophs ...

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  2. Producers are the autotrophic organisms, which produce their own food....

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  3. The first link in any food chain is green plants because:

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  4. Which of the following represents largest man made ecosystem

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  5. When the environmental conditions are optimum, the "" may produce as ...

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  6. Humification results in the formation of ............. substance.

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  7. Pioneer community established in bare rock is

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  8. Succession proceeds from

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  9. Trophic structure may be described in terms of the amount of "" materi...

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  10. The standing crop is commonly expressed as the :

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  11. The biomass of a species is expressed in terms of either fresh or dry ...

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  12. Both hydrarch and xerarch successions leads to

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  13. Productivity in ecosystem is of "" kinds :

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  14. Select an incorrect statemnet for ecosystem and trophic levels :

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  15. A knowledge of the rates at which differenct processes occur in ecosys...

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  16. The rate of biomass production by consumers is called :

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  17. The concentration of elements such as carbon and nitrogen in ...

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  18. Primary productivity refers to the rate at which "" is captured by "" ...

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  19. Primary productivity has "" aspects :

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  20. The total organic matter ( biomass) production by plant is called :

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