So the enzymes which control photosynthesis can work well
So the water doesn't dry up
So the plant doesn't die
7. These are all factors needed for photosynthesis, which one is not environmental?
Carbon dioxide
Suitable temperature
Light
Chlorophyll
Water
8. With sodium hydroxide sollution, to test the need for carbon dioxide in photosynthesis. Which experiment?
Removing carbon dioxide
Using oxygen and carbon dioxide sensors
Testing leaves for starch
9. What is from the air and a raw materialfor the manufacture of carbohydrates?
Chlorophyll
Light
Carbon dioxide
Water
10. To see if photosynthesis has occured it involves boiling the leaf in alcohol to remove the colour then staining with iodine, blue-black indicates starch (which is how glucose is stored). Which experiment?
Removing carbon dioxide
Testing leaves for starch
Using oxygen and carbon dioxide sensors
11. Which of these factors need for photosynthesis is chlorophyll?
In the chloroplasts in the leaf cells, to absorb light energy
A raw material for photosynthesis
Energy to make carbohydrates
12. What is needed to provide the energy needed to make carbohydrates?
Chlorophyll
Carbon dioxide
Light
Water
13. What is from the soil and one of the raw materials for photosynthesis?
