Experiment to show that sunlight is essential for photosynthesis.
Experiment to prove that sunlight is essential for photosynthesis:
Step 1: Keeping the plant in the darkroom:
Step 2: Covering a specific part of a leaf:
Step 3: Exposing the plant to sunlight:
Step 4: Decolorizing the leaf:
Step 5: Adding iodine solution:
After adding the iodine solution the part of the leaf that was covered by black paper remains colorless while the region that was exposed to sunlight will have blue-black color.