(a)[1]
State one reason that orange trees are regarded as dicotyledonous plants.
(b)[2]
Biotechnologists use enzymes to obtain juice from fruits such as oranges. Define the term enzyme.
(c(i))[1]
State the name of the enzyme that is used to extract juice from fruit.
(c(ii))[1]
Using the information in Fig. 6.2, state the optimum time for efficient juice extraction from oranges.
(c(iii))[1]
State the name of the vitamin that is present in high concentrations in citrus fruit such as oranges.
(d(i))[1]
State the name of the process used to alter the genes of a plant.
(d(ii))[3]
Discuss the possible disadvantages of altering the genes of a plant.