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Question
Which of the following element is not required by plants for their normal healthy growth?
Which of the following element is not required by plants for their normal healthy growth?
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Solution
The correct option is C Lead
- Calcium, in the form of calcium pectate, is responsible for holding together the cell walls of plants.
- Magnesium is the powerhouse behind photosynthesis in plants. Without magnesium, chlorophyll cannot capture sun energy needed for photosynthesis. In short, magnesium is required to give leaves their green color. Magnesium in plants is located in the enzymes, in the heart of the chlorophyll molecule.
- Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants will wither and die.
- Pb is toxic even in small concentrations.
So, the correct answer is 'Lead'.
- Calcium, in the form of calcium pectate, is responsible for holding together the cell walls of plants.
- Magnesium is the powerhouse behind photosynthesis in plants. Without magnesium, chlorophyll cannot capture sun energy needed for photosynthesis. In short, magnesium is required to give leaves their green color. Magnesium in plants is located in the enzymes, in the heart of the chlorophyll molecule.
- Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants will wither and die.
- Pb is toxic even in small concentrations.
So, the correct answer is 'Lead'.
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