(a)[2]
Name any two conditions that have to be present for a seed to germinate.
(b(i))[2]
State two substances, excluding starch and sugar, that make up the total mass of the seed at stage 1.
(b(ii))[3]
State the stage when the seedling begins to photosynthesise, and explain your reasons.
(c)[3]
Explain how the amounts of starch and sugar differ between stage 2 and stage 3.