CO2 - Starch Test Flashcards
1
Q
How can you show CO2 is needed for photosynthesis?
A
With the apparatus: Light Plant Sealed bell jar Soda lime
2
Q
What will the sods lime do?
A
Absorb the CO2 out of the air in the jar
3
Q
What will happen if you leave the plant in the jar for a while and then test it for starch?
A
It won’t turn blue-black
4
Q
What does this show?
A
That no starch has been made in the leaf, meaning CO2 is needed for photosynthesis