How do you prove that co² is essential for photosynthesis

1.	How do you prove that co² is essential for photosynthesis
Answer» Answer: EXPERIMENT TO PROVE THE NECESSITY OF CARBON DIOXIDE IN PHOTOSYNTHESIS - DEFINITION To prove the necessity of carbon dioxide in photosynthesis FOLLOWING steps need to do Insert a PART of the leaf of a destarched plant into a CONICAL flask containing potassium hydroxide. Potassium hydroxide solution absorbs the carbon dioxide gas from the AIR present in the glass bottle. Leave the plant sunlight. After few hours, perform a starch TEST to this and another leaf of the same plant. Observation- Leaf exposed to the atmosphere are bluish black. Leaf exposed to KOH does not change to blue-black colour Result- Starch is present in the green part of the leaf. Conclusion- Presence of starch proves that chlorophyll is necessary for photosynthesis as it traps sunlight.

Answer»

Answer:

EXPERIMENT TO PROVE THE NECESSITY OF CARBON DIOXIDE IN PHOTOSYNTHESIS - DEFINITION

To prove the necessity of carbon dioxide in photosynthesis FOLLOWING steps need to do

Insert a PART of the leaf of a destarched plant into a CONICAL flask containing potassium hydroxide.

Potassium hydroxide solution absorbs the carbon dioxide gas from the AIR present in the glass bottle.

Leave the plant sunlight.

After few hours, perform a starch TEST to this and another leaf of the same plant.

Observation-

Leaf exposed to the atmosphere are bluish black.

Leaf exposed to KOH does not change to blue-black colour

Result- Starch is present in the green part of the leaf.

Conclusion- Presence of starch proves that chlorophyll is necessary for photosynthesis as it traps sunlight.

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