Biology · Photosynthesis
A student placed a potted plant in complete darkness for 48 hours. Then one of its leaves was covered with black paper in the centre, while the rest of the leaf was exposed to sunlight for a few hours. After boiling the leaf in alcohol and treating it with iodine solution, which of the following observations will be made?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both covered and uncovered parts remain green
- 2The covered part remains colourless, while the uncovered part turns blue-black✓
- 3The entire leaf remains colourless
- 4The entire leaf turns blue-black
Correct answer
The covered part remains colourless, while the uncovered part turns blue-black
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