Question

write an expirment to show that carbon dioxide is necessary for photosynthesis​

Answer 1

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$\tt\large\green\rightarrow$Experiment to prove the necessity of carbon dioxide in photosynthesis - definition. Insert a part of the leaf of a destarched plant into a conical flask containing potassium hydroxide. ... Leave the plant sunlight. After few hours, perform a starch test to this and another leaf of the same plant.

Answer 2

Answer

experiment

1. take two plants , mark A & B , put A plant under sunlight and B under dark for 24 hours or for a week.
2. after that , take leaves from both A&B .
3. put iodine solutions on both of them .
4. in case of A plant leaf will not turn into blue black in colour it proves present of starch.
5. in case of B plant leaf will turn in blue black colour which indicates absence of starch.

• 6CO2 + 6H2O --sunlight and chlorophyll-------------> C6H12O6 + 6O2 + water vapour and energy is released . if carbon dioxide is absent this process is unable to carried out .