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Lakes rich in organic compounds are Olig...

Lakes rich in organic compounds are Oligotrophic lakes.

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Eutrophic lakes are:

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A lake which is rich in organic waste may result in

A lake which is rich in organic waste may result in

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MODERN PUBLICATION-ECOSYSTEM -QUICK MEMORY TEST (A. Say True or False)
  1. Lakes rich in organic compounds are Oligotrophic lakes.

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  2. Transitional zone between the adjacent biomes is ecotype.

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  3. Taiga is the northern coniferous forest.

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  4. Grassland with scattered trees is called chhaparal.

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  5. Alpine forests of Himalayas have dwarf shrubby plants.

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  6. Driving force in an ecosystem is formed of producers.

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  7. Submerged hydrophytes have stomata on upper surface.

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  8. Energy and materials follow unidirectional flow.

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

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  10. Water and Phosphorus cycles are gaseous cycles.

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  11. Biosphere is also called Ecosphere.

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

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

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

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

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

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

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  18. Plant communities are always stable.

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

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

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