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Testing A Leaf For Starch
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Testing A Leaf For Starch

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  • testing of starch and protien in plants
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  • what colour does the leaf go if there is or isnt any starch
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  • is there any alternative replacement for ethanol and iodine?
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  • the leaves were tested already and they hve starch..but can we get the starch from it?if so..how?pls answer i need it for my project..pls
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  • why is the leaf rinsed in the water before the iodine solution is applied to it?
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  • 1. Testing leaves for starch After photosynthesis, green plants store glucose as starch in their leaves.
  • 2. What you will test.
    • You will test 2 leaves:
    • One from a plant left in the light .
    • One from a plant kept in the dark .
  • 3. Put the 2 leaves in boiling water to kill them
  • 4. Place the leaves in a boiling tube with ethanol
  • 5. wait until all the green colour disappears from the leaves
  • 6. Remove the leaves
  • 7. Wash the leaves
  • 8. Spread the leaves out on a white tile
  • 9. carefully add iodine to the leaves
  • 10. Wait a few minutes and note the colour of the leaves

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