What are the roles of photosynthesis and cellular respiration in the carbon cycle? plants produce glucose (c6h12o6) through photosynthesis; animals eat the plant and eliminate carbon as a waste product (co2) . animals produce glucose(c6h12o6) through photosynthesis; plants eat the plant and eliminate carbon as a waste product (co2). both a and b are correct. none of the above.

Ans.

Carbon cycle involves a series of processes, in which compounds of carbon are inter-converted within the environment, mainly by cellular respiration and photosynthesis. Photosynthesis includes uptake of carbon dioxide and formation of glucose by plants, while cellular respiration includes digestion of glucose and release of carbon dioxide by all organisms.  

Thus, the correct answer is 'option). plants produce glucose through photosynthesis, and animals eat the plant and eliminate carbon as a waste product.'

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