What are the different types of nutrition that occur in plants?Define them.
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there are 2 types of nutrition:-
AUTOTROPH:-Organisms which utilise carbon dioxide as their sole source of carbon for the formation of organic food by the process of photosynthesis are called autotrophs
HETEROTROPH:-Organisms which are incapable of photosynthesising, obtain certain organic compounds from other autotrophs and they are called heterotrophs
AUTOTROPH:-Organisms which utilise carbon dioxide as their sole source of carbon for the formation of organic food by the process of photosynthesis are called autotrophs
HETEROTROPH:-Organisms which are incapable of photosynthesising, obtain certain organic compounds from other autotrophs and they are called heterotrophs
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Nutrition in Plants
Green plants synthesize their own food by the process of photosynthesis. Photo means light and synthesis means to build, so photosynthesis means ‘building up by light. It is in the presence of chlorophyll that plants use energy of sunlight to make food from inorganic materials like carbon dioxide and water.
Green plants make their own food by photosynthesis
Chlorophyll is present in green coloured bodies called chloroplast. The leaves of a plant are green due to the presence of chlorophyll in them.
In the process of photosynthesis a lot of oxygen gas is released. Let us understand with the help of equation:
Food is prepared in the green leaves of the plant. Plant requires carbon dioxide to make food which it takes from air. The carbon dioxide enters the leaves through tiny pores in them called stomata. Water required to make food is taken from soil. This water is transported to the leaves through roots and stem. The sunlight provides energy to carry out chemical reactions and chlorophyll present in green leaves help in absorbing this energy. Oxygen produced as a by-product in this process which goes out in the air.
The food prepared by the leaves is in the form of simple sugar called glucose. This glucose is then sent to other parts of the plant. The extra glucose is stored in the leaves of the plant in the form of starch. Glucose and starch belong to a category called carbohydrates. Thus green plants convert sunlight energy into chemical energy.
Green plants synthesize their own food by the process of photosynthesis. Photo means light and synthesis means to build, so photosynthesis means ‘building up by light. It is in the presence of chlorophyll that plants use energy of sunlight to make food from inorganic materials like carbon dioxide and water.
Green plants make their own food by photosynthesis
Chlorophyll is present in green coloured bodies called chloroplast. The leaves of a plant are green due to the presence of chlorophyll in them.
In the process of photosynthesis a lot of oxygen gas is released. Let us understand with the help of equation:
Food is prepared in the green leaves of the plant. Plant requires carbon dioxide to make food which it takes from air. The carbon dioxide enters the leaves through tiny pores in them called stomata. Water required to make food is taken from soil. This water is transported to the leaves through roots and stem. The sunlight provides energy to carry out chemical reactions and chlorophyll present in green leaves help in absorbing this energy. Oxygen produced as a by-product in this process which goes out in the air.
The food prepared by the leaves is in the form of simple sugar called glucose. This glucose is then sent to other parts of the plant. The extra glucose is stored in the leaves of the plant in the form of starch. Glucose and starch belong to a category called carbohydrates. Thus green plants convert sunlight energy into chemical energy.
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