Chapter 1: Life Processes

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Life Processes


What are the necessary conditions for autotrophic nutrition and what are its byproducts?


Autotrophic Nutrition - The mode of nutrition in which organisms make their food themselves is called autotrophic nutrition. Ex: Green plants and blue-green algae. The organisms which can make their food themselves are called autotrophs. These organisms synthesize their food by taking simple substances (inorganic matter) like CO2 and H2O from the environment and convert them into complex organic energy-giving substances called carbohydrates and oxygen gas in the presence of sunlight and chlorophyll. This process is called photosynthesis. Here, oxygen is the byproduct.


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