Testing For Starch In A Leaf Flashcards
1
Q
The green parts of a leaf have what?
A
Chlorophyll
2
Q
What is a variegated leaf?
A
A leaf which doesn’t contain 100% chlorophyll in it and therefore has some white parts
3
Q
What does ethanol do in the test?
A
It removes green chlorophyll pigments
4
Q
What colour does the leaf turn after its chlorophyll is removed?
A
White
5
Q
What is glucose stored as?
A
Starch
6
Q
What colour will Iodine become if starch is present?
A
Blue/Black
7
Q
What is the colour of Iodine?
A
Orange/Brown