BI-911
Role of chlorophyll
Biology · Secondary 3 · Medium · Role of chlorophyll
A leaf is de-starched and then one half is covered with black paper. The plant is placed in bright light for 6 hours. After boiling the leaf in alcohol and adding iodine solution, which part will turn blue-black?
- Only the uncovered half turns blue-black.
- Only the covered half turns blue-black.
- Both halves turn blue-black.
- Neither half turns blue-black.
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