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Biological nitrogen fixation provides mo...

Biological nitrogen fixation provides more mtrogen than nonbiological nitrogen fixation. Is it so ?

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Yes
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PRADEEP-ECOSYSTEM-Very short answer
  1. What are the main sources of carbon ?

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  2. Which biogeochemical cycle is fully balanced ?

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  3. Biological nitrogen fixation provides more mtrogen than nonbiological ...

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  4. Name a denitrifying bacterium.

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  5. Who introduced the concept of biosphere ?

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  6. Is the biosphere an open system or closed system ?

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  7. What is the life span of the ecosphere ?

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  8. For how long the entire CO(2) of the air can last with its use in phot...

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  9. Phosphorus cycle has no atmospheric phase. Is it true ?

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  10. In which form can the plants take up sulphur ?

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  11. Oxygen content of the air is not affected by human activities. Why?

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  12. How long a primary succession takes to complete ?

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  13. Define succession.

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  14. Name the first community that develops in barren area.

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  15. Which of the following is a free living bacteria that can fix nitrogen...

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  16. Which of the following is a cyanobacterium that can fix atmospheric ni...

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  17. Name an organism found as secondary carnivore in an aquatic ecosystem.

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  18. What does the base tier of the ecological pyramid represent ?

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  19. Arrange the following as observed in Vertical stratification of a fore...

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  20. Name an omnivore which occurs in both grazing food chain and the decom...

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