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Question
Assertion :Major reservoirs of phosphorus are phosphate rocks and fossil bone deposits laid down in the past geological ages. Reason: During weathering of rocks, minute amounts of these phosphates dissolve in soil solution and are absorbed by the roots of the plants.
Assertion :Major reservoirs of phosphorus are phosphate rocks and fossil bone deposits laid down in the past geological ages. Reason: During weathering of rocks, minute amounts of these phosphates dissolve in soil solution and are absorbed by the roots of the plants.
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The major reservoir pool of phosphate is rocks and fossil bone deposits laid down in past. Phosphate is component of nucleic acids, bio-membranes, etc., and body structures of shells, bones and teeth. Its cycling pool is soil for terrestrial system and water for aquatic system. Small amount of phosphate is added through weathering of rocks.
The major reservoir pool of phosphate is rocks and fossil bone deposits laid down in past. Phosphate is component of nucleic acids, bio-membranes, etc., and body structures of shells, bones and teeth. Its cycling pool is soil for terrestrial system and water for aquatic system. Small amount of phosphate is added through weathering of rocks.
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