BI-1199
Food tests
Biology · Secondary 4 · Medium · Food tests
In an experiment, a student tests for the presence of starch in a leaf. The leaf is first boiled in water, then boiled in alcohol, rinsed in warm water and finally iodine solution is added. The leaf turns blue-black. What does this result show?
- Starch is present in the leaf
- Glucose is present in the leaf
- Protein is present in the leaf
- Fat is present in the leaf
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