Question

How will you prove that carbon dioxide is given out during respiration

Answer 1

we can prove it as
C6H12O6 +O2 <===> 6CO2 + 6H2O
hence on taking oxygen it reacts with glucose which is parent in us and it releases CO2

Answer 2

the carbon dioxide is produced by germinating seeds is absorbed by the potassium hydroxide is produced due to the consumption of oxygen during respiration.
HOPE THIS WILL HELP YOU.....