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Natural reservoir of phosphorus is...

Natural reservoir of phosphorus is

A

Sea water

B

Animal bones

C

Rock

D

Fossils

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Study the given flow chart and select the correct statement regarding this. (i) It represents phosphorus cycling in a terrestrial ecosystem. (ii) It represents phosphorus cycling in an aquatic ecosystem. (iii) Natural resenvoir of phosphorus is phosphate rocks. (iv) There is no repiratory release of phosphorus into atmosphere. (v) Gaseous exchange of phosphorus between organisms and enviornment occurs to a considereable extent.

Read the given statements and select the correct option. Statement 1: Major reservoirs of phosphorus are phosphate rocks and fossil bone deposits laid down in the past geological ages. Statement 2: During weathring of rocks, minute amounts of these phosphates dissolve in soil solution and are absorbed by the roots of the plants. A. Both statements 1 and 2 are correct. B. Statement 1 is correct but statement 2 is incorrect. C. Statement 1 is incorrect but statement 2 is correct. D. Both statement 1 and 2 are incorrect.

(i) Which type of bio - geochemical cycle is carried out by phosphorus? (ii) Mention the sources of phosphorus in an organisms. (iii) Explain the mechanism of phosphorus cycle.

The major reservoir of carbon on earth is ___________ .

“Phosphorous cycle” (I) It is a type of sedimentary cycle. (II) Phosphorus is found in the biomolecules like DNA. (III) Phosphorus is not abundant in the biosphere (IV) Bulk quantity of phosphorus is present in rock.

SARAS PUBLICATION-ECOLOGY AND ENVIRONMANT-EXAMPLE
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  2. Which of the following are likely to be present in deep sea water?

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  3. Natural reservoir of phosphorus is

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  4. Secondary productivity is rate of formation of new organic matter by

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  5. During sewage treatment biogas produced includes:

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  6. A biologist studied the population of rats in a barn . He found that t...

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  7. Which one of the following processes during decomposition is correctly...

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  8. Global warming can be controlled by

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  9. The Prevention and Control of Air Pollution Act came into force in

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  10. Benthic organisms are affected most by

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  11. The largest tiger reserve in India is

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  12. Which one of the following is a primary consumer in maize field ecosys...

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  13. The important steps in the process of decomposition are

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  14. What is the main source of energy for all ecosystem on earth?

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  15. Dinosaurs dominated The world in which of the following geological era...

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  16. The age pyramid with broad base indicates

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  17. Which one of the following is a metal?

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  18. Climate of the world threatened by

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  19. Which one of the following is an example of ex-situ conservation?

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  20. A location with luxuriant growth of lichens on the trees indicates tha...

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