✨Biology Practical : Testing a leaf for starch 🏫 Class - Secondary (3) 🏫Campus- Thuwunna Campus 🔸Testing a leaf for starch is the simplest photosynthesis lab. A positive test for starch in a leaf provides evidence that photosynthesis has occurred. 🔸The end result of a starch test on a leaf would make it either brown or blue-black. If starch has been produced (that is if photosynthesis has occurred), the leaf would turn blue-black, otherwise, it would remain brown. 🔸Conducting experiment hel
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