BI-824
Photosynthesis equation
Biology · Secondary 3 · Easy · Photosynthesis equation
A leaf is tested for starch after being kept in the dark for 24 hours. Which result and conclusion are correct?
- Iodine turns blue‑black; photosynthesis did not occur.
- Iodine remains brown; photosynthesis did not occur.
- Iodine turns blue‑black; photosynthesis occurred in the dark.
- Iodine remains brown; starch is present in the leaf.
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