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Process of food synthesis in green plants
Explain the process involved in the synthesis of food in green plants.
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2 Replies
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Green plants prepare their own food independently and this process of making food by themselves is termed as Photosynthesis. The word photo means light and synthesis means to put together.
The plant cells prepare their own food and for this process they primarily require some inorganic raw materials:
I. Carbon dioxide (CO<sub>2</sub>)
II. Water (H<sub>2</sub>O)
III. Sunlight
IV. Chlorophyll
ü Plants absorb water from the soil through the roots, they intake the carbon dioxide from the environment through the stomatal pores present in the leaves.
ü These stomatal pores are surrounded by a pair of guard cells and helps in releasing the oxygen which is produced during photosynthesis.
ü With the help of Carbon dioxide and water in presence of the green pigment named chlorophyll in their leaves and sunlight the plants produce carbohydrates, which from the leaves are then transported into each and every part of the plant. The extra carbohydrates are stored in the form of starch which in future yields fruits.
The process of photosynthesis is commonly written as: 6CO<sub>2</sub> + 6H<sub>2</sub>O → C <sub>6</sub>H<sub>12</sub>O<sub>6</sub>+ 6O<sub>2</sub>. This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products.
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Photosynthesis is a process by which plants create food for themselves and make oxygen available for humans. In technical terms, it is a process in which energy gets converted into different forms so that it becomes useful for everyone in the surrounding.
Following are different kinds of photosynthesis processes:
1. C3 photosynthesis
Example: RUBISCO
2. C4 photosynthesis
Example: PEP Carboxylase
3. CAM photosynthesis
I hope this answer helps!😊
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