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Which one of the following statements ab...

Which one of the following statements about productivity is wrong?

A

Primary production is the amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis.

B

Gross primary productivity of an ecosystem is the rate of production of organic matter during photosynthesis.

C

Secondary productivity is the rate of formation of new organic matter by consumers.

D

Primary productivity depends on the animals species inhabiting a particular area.

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The correct Answer is:
D
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GRB PUBLICATION-ECOSYSTEM -EXEMPLAR PROBLEMS
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  2. Secondary producers are:

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  3. Percentage of photosynthetically active radiation (PAR) in the inciden...

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  4. Plants are called as because they fix carbon dioxide.

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  5. In an ecosystem dominated by trees, the pyramid (of numbers) istype.

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  6. In aquatic ecosystem, the limiting factor for the productivity is:

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  7. Common detritivores in our ecosystem are:

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  8. The major reservoir of carbon on Earth is:

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  9. Consider the following statement with respect to ecosystems: A. Tw...

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  10. Which kind of ecological pyramid is represented by the figure given be...

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  11. Which kind of exological pyramid is represented by the figure given be...

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  12. Which one of the following statements is incorrect?

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  13. Which kind of ecological pyramid is represented by the figure given be...

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  14. Diagrammatic representation of trophic levels in an ecosystem is given...

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  15. The given ecological pyramid best represents:

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  17. Identify the likely organisms (1), (2), (3) and (4) in the food web s...

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  18. Consider the following statements. A. The movement of energy is un...

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  19. Diagrammatic representation first four stages of primary succession is...

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  20. Which of the following statement/s regarding ecological pyramid is/are...

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