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SingaporeCombined ScienceQuick questions
Biology: Plants and Nutrition
Quick questions on Photosynthesis and leaf structure: N(A)-Level Combined Science Biology
1short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is testing a leaf for starch?Show answer
A leaf can be tested for starch to show it has photosynthesised. After removing the green colour, iodine solution is added: it turns blue-black if starch is present, and stays orange-brown if it is not.
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