Question

The process of carbon dioxide fixation refers to ________.

reaction of carbon dioxide with water to form carbonic acid

release of carbon dioxide during anabolic reactions

release of carbon dioxide during catabolic reactions

reduction of carbon dioxide and incorporation into organic molecules that are assimilated

Answer 1

Carbon dioxide fixation refers to the process in which inorganic carbon dioxide is converted into organic carbon molecules by living organisms. Most common example of carbon dioxide fixation is photosynthesis. In photosynthesis, inorganic carbon dioxide is converted to organic sugars which are used by plants for nutrition and growth. Plants and other photosynthetic organisms that grow by fixing carbon dioxide are called autotrophs.

So, correct answer is 'reduction of carbon dioxide and incorporation into organic molecules that are assimilated'.

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