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Question
Which of the following elements are acquired by producers from the atmosphere?
Which of the following elements are acquired by producers from the atmosphere?
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Solution
The correct option is B Carbon
Various nutrients such as nitrogen, carbon, sulphur, oxygen, phosphorus etc., are required by all the organisms for their growth, reproduction, regulation of body functions and metabolism.
Atmosphere is one of the major reservoirs of carbon. Carbon from the atmosphere is fixed by the autotrophic plants (producers) using solar energy during photosynthesis.
Even though the atmosphere contains fairly large quantities of nitrogen, the plants can not directly obtain it from the atmosphere. Bacteria such as Rhizobium, which are present in the soil, fix atmospheric nitrogen to form ammonia or nitrates, which is then absorbed by the roots of the plants.
Reservoirs of phosphorus are rocks. Plants obtain this phosphorus when the rocks are weathered to form soil.
Various nutrients such as nitrogen, carbon, sulphur, oxygen, phosphorus etc., are required by all the organisms for their growth, reproduction, regulation of body functions and metabolism.
Atmosphere is one of the major reservoirs of carbon. Carbon from the atmosphere is fixed by the autotrophic plants (producers) using solar energy during photosynthesis.
Even though the atmosphere contains fairly large quantities of nitrogen, the plants can not directly obtain it from the atmosphere. Bacteria such as Rhizobium, which are present in the soil, fix atmospheric nitrogen to form ammonia or nitrates, which is then absorbed by the roots of the plants.
Reservoirs of phosphorus are rocks. Plants obtain this phosphorus when the rocks are weathered to form soil.
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