Natural reservoir of phosphorus is...

Natural reservoir of phosphorus is

Sea water

Animal bones

Rock

Fossils

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Given below is a phosphorus cycle. Select the incorrect statements from the following: (i) It represents phosphorus cyclic in an aquatic ecosystem. (ii) It represents phosphorus cyclic in a terrestrial ecosystem. (iii) The natural reservoir of phosphorus is forest ecosystem. (iii) The natural reservoir of phosphorus is forest rocks. (iv) There is a respiratory release of phosphorus into the atmosphere. (v) Gaseous exchange of phosphorus between organisms and the environment does not occur.

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.

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MODERN PUBLICATION-ECOSYSTEM -COMPETITION FILE (OBJECTIVE TYPE QUESTIONS)(A. MULTIPLE CHOICE QUESTIONS)

Which of the following is primary producer ?
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Which of the following is a tertiary consumer ?
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Natural reservoir of phosphorus is
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Secondary productivity is rate of formation of new organic matter by:
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Which one of the following processes during decomposition is correctly...
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The first stable product of fixation of atmospheric nitrogen in legumi...
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Detritivores break down detritus into smaller particles. This process ...
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The correct sequence of seral stages in hydrosere is:
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Pyramid of energy is :
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If 20 J of energy is trapped at producer level, then how much energy w...
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Macth the following and select the correct option. (a) Earthworm (...
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Given below is a simplified model of phosphorus cycling in a terrestri...
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In a food chain, herbivores are:
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Ecotone is
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Vertical distribution of different species occupying different levels ...
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Secondary succession takes place on/in
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The mass of living material at a trophic level at a particular time is...
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In an ecosystem the rate of production of organic matter during photos...
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During biological nitrogen fixation, inactivation of nitrogenase by ox...
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In which of the following both pairs have correct combination ?
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