Testing A Leaf For Starch Flashcards
1
Q
What is stage two of testing a leaf for starch?
A
Boil leaf in ethanol ( to remove green pigment chlorophyll)
2
Q
What is stage 3 of testing a leaf for starch?
A
Rinse leaf in water ( to remove excess ethanol)
3
Q
What is stage 4 of testing a leaf for starch?
A
Cover in iodine
4
Q
How do you know if you have had a positive result in testing a leaf for starch?
A
The leaf turns blue/black
5
Q
How do you know if you have had a negative result from testing the leaf for starch?
A
The leaf turns brown
6
Q
What is stage one of testing a leaf for starch?
A
Boil leaf in water ( to burst membranes)
