(a)[2]
Name the structures labelled J and K. Put your answers on Fig. 7.1.
(b)[2]
Write the word equation that represents photosynthesis.
(c(i))[2]
Describe the outcomes of the investigation shown in Fig. 7.2.
(c(ii))[2]
State two factors, apart from adding fertiliser, that can influence the rate of photosynthesis.
(d(i))[2]
Explain how using herbicides increases the yields of crop plants such as maize.
(d(ii))[2]
Suggest how genetic engineering could cut the use of insecticides on farms.