FORESTRY
PLANT AND WOOD ANATOMY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Plants also need nitrates to make proteins. They obtain these from
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The air as nitrate ions
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The soil as nitrate ions
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The air as nitrogen
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The soil as nitrogen
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Explanation:
Detailed explanation-1: -The correct answer is To prepare Proteins. All plants absorb nitrogen as NO3 (nitrate ion) from the soil. These are then converted to ammonium ions to combine into amino acids and eventually convert into proteins.
Detailed explanation-2: -Plants require nitrogen in the form of nitrate ions absorbed by the roots to make amino acids, chlorophyll and nucleotides.
Detailed explanation-3: -Nitrification. Nitrifying bacteria in the soil convert ammonia into nitrite (NO2-) and then into nitrate (NO3-). This process is called nitrification. Compounds such as nitrate, nitrite, ammonia and ammonium can be taken up from soils by plants and then used in the formation of plant and animal proteins.
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