Q1.What are the waste products produced during :

A.respiration
B.photosynthesis
C.combustion

Dear Student,

Please find below the solution to the asked query:

a). The overall equation for respiratory pathway where complete breakdown of glucose takes place is as follows:

Glucose + 6O ₂ + 36ADP + 36Pi → 6CO ₂ + 42H ₂ O + 36ATP
​Carbon dioxide and water are the by products of the respiration along with the emission of energy.

b). End products of photosynthesis are molecules of glucose and oxygen. Oxygen is an important  byproduct of photosynthesis. 

C). Carbon dioxide is the end product of combustion.

Hope this information will clear your doubts about the topic.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.

Regards,