(a(i))[4]
Name the parts of the seed that are protected by the testa and describe what each does.
(a(ii))[2]
Describe a laboratory test that could be used to show that the oil body contains oil.
(b(i))[2]
Suggest one advantage and one disadvantage to the castor oil plant of producing seeds with oil bodies.
(b(ii))[3]
Use information from Fig. 5.2 to explain how useful the different ant species are to the castor oil plant.
(b(iii))[1]
The ants feed on the oil bodies and digest the oil. Name the products of this digestion.
(c(i))[1]
State the name of the group to which $S.\ geminata$ belongs.
(c(ii))[2]
State two visible features used to classify $S.\ geminata$ in this group of arthropods.