Chlorophyll - Starch Test Flashcards
1
Q
How can you show that chlorophyll is needed for photosynthesis?
A
Using variegated (green and white) leaves
2
Q
Which part of the leaf contains chlorophylll?
A
Only the green part
3
Q
What do you do first?
A
Take a variegated leaf that’s been exposed to light - record both green bits and white
4
Q
Which bits of the leaf will turn blue-black?
A
Only the green bits
5
Q
What does this show us?
A
That only the parts of the leaf that contain chlorophyll are able to photosynthesise and produce starch
6
Q
What will happen to the white bits of the leaf?
A
They will go brown because the iodine solution will stain them