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Plant communities are always stable....

Plant communities are always stable.

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MODERN PUBLICATION-ECOSYSTEM -QUICK MEMORY TEST (A. Say True or False)
  1. Driving force in an ecosystem is formed of producers.

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  2. Submerged hydrophytes have stomata on upper surface.

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  3. Energy and materials follow unidirectional flow.

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  4. Earth is a closed system as far as materials are concerned.

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  5. Water and Phosphorus cycles are gaseous cycles.

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  6. Biosphere is also called Ecosphere.

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  7. The ecological succession taking place in dry area is xerarch.

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  8. The effect of individuals of different species on each other is called...

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  9. The competition of individuals may be for food , space , light and oth...

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  10. Heterotrophic succession takes place on substratum having plenty of mi...

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  11. The introduction of new life forms in bare areas is initiated by act o...

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  12. Migration, ecesis and aggregation are collectively called as invasion.

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  13. Plant communities are always stable.

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  14. It is possible to predict the direction of succession.

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  15. Plant ecosystem is an orderly process of ecosystem development.

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  16. Phosphorus cycle is an example of sedimentary cycle.

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  17. Nitrogen cycle is an example of sedimentary cycle.

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  18. The pyramid of energy is always upright.

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  19. The energy flow in an ecosystem is unidirectional.

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  20. Breakdown of organic molecules into inorganic molecules is carried out...

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