answer these questions based on diagram F1-a,b,c,d

Dear student,    
​Please find below the solution to the asked query                                                               

a. Aim of the experiment: To demonstrate that carbon dioxide is given out during the process of respiration.
b. Bell jar is covered with a black cloth so as to prevent the occurrence of photosynthesis.
​     
c. Role of caustic soda- It absorbs carbon dioxide from the incoming air so that it becomes free of CO2.
d. Chemical equation for respiration:

Glucose + 6O2 → 6CO 2 + 6H 2 O + energy

Hope this information will clear your doubts about the topic.   
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Regards                                                                  

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