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Gross primary productivity is...

Gross primary productivity is

A

Rate at which organic molecules are formed in autotrophs

B

Rate at which organic molecules are used up by autotrophs

C

Storage of organic molecules in the body of autotrophs

D

Rate at which organic molecules are transferred to next higher trophic level

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The correct Answer is:
A
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AAKASH SERIES-ECOSYSTEM-EXERCISE-I (PRODUCTIVITY)
  1. Gross primary productivity minus respiration losses of an ecosystem is

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  2. The available biomass for the consumption to heterotrophs is called

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  3. Gross primary productivity is

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

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  5. The biomass available for consumption by the herbivores is called

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  6. Productivity is the rate of production of biomass expressed in terms o...

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  7. The energy storage at producer level which can be consumed by herbivor...

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  8. A certain mass of living material at a particular time in each trophic...

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  9. The NPP in a plant is 100kj. What is the body mass of the secondary ca...

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  10. Which of the following is expected to have the highest value (gm/m^(2)...

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  11. Which of the following statements about decomposition is incorrect?

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  12. Most important climatic factors that regulate the rate of decompositio...

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  13. The raw material for decomposition, the detritus includes

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  14. Various steps in decomposition are

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  15. Break down of detritus into small praticles is called

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  16. Process of water soluble nutrients go down into the soil horizon and g...

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  17. Degradation of detritus into simple inorganic substances by the enzyma...

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  18. Decomposition is largely

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  19. The rate of decompostion is controlled by

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  20. Decomposition is largely

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