Define photosynthesis.briefly explain dark reactions of photosynthesis

1.	Define photosynthesis.briefly explain dark reactions of photosynthesis.
Answer» Photosynthesis is a biological process utilized by all green plants to synthesize their own nutrients.\xa0The process of photosynthesis requires\xa0solar energy, water and carbon dioxide. The by-product of this process is oxygen.Dark Reactions:\tDark reaction is also called carbon-fixing reaction.\tIt is a light-independent process in which sugar molecules are formed from the water and carbon dioxide molecules.\tThe dark reaction occurs in the stroma of the chloroplast where they utilize the NADPH and ATP products of the light reaction.\tPlants capture the carbon dioxide from the atmosphere through stomata and proceed to the Calvin photosynthesis cycle.\tIn the Calvin cycle, the ATP and NADPH formed during light reaction drive the reaction and convert 6 molecules of carbon dioxide into one sugar molecule or glucose.

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