What is Photosynthesis ??
Answers
photosynthesis is the process of preparing food in plants. To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.
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Answer:
The term 'photosynthesis' is derived from towards Photon meaning light and synthesis meaning building up. The process by which green plants use energy from the sun to convert carbon dioxide and water into sugars (glucose) in the presence of green coloured pigment (called chlorophyll) is called photosynthesis. The glucose produced is transported from the leaves of other plants. It is also converted into starch and stored in various storage organs within the plant. Oxygen released during photosynthesis is used by organisms to breathe.
Explanation:
Photosynthesis is not a simple one step process. It involves many steps.
• First of all, water taken up through the root system, and carbon dioxide from the atmosphere reaches the leaves.
• Light is absorbed by chlorophyll, which splits water and oxygen is released. This reaction depends on sunlight for activation energy. This takes place in the thylakoids of the chloroplasts.
• In the next step, carbon dioxide splits. The carbon so obtained is used to make sugars. This reaction does not require light energy. It takes place in the storma.
• Sugars are formed during photosynthesis. Simple sugars are formed which then combine to form complex sugars. Glucose and fructose from as a result of photosynthesis travel to the other part of the plant.