Question

With the help of an experiment so that:-
Carbon dioxide is necessary for photosynthesis.​

Answer 1

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.
• RELATED QUESTIONS
• In the following experiment set up to show that CO
• 2

Answer 2

Answer:

carbon dioxide+water sunlight and chlorophyll are heated glucose+Oxygen

process of photosynthesis.

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