UNOFFICIAL MARKSCHEME (please edit if im wrong)
1) Photosynthesis
2) control variables 1, amount of water, 2, temperature of water, 3, from the same plant
cant remember..
3) why is this plant cell and not an animal cell. 1, chlorolphyll for photosynthesis, 2, has a vacuole
4) why animal cell? didnt get this i wrote nucleus is in near the middle of the cell?
by the way did anyone get an answer which was the number 21?