(a)(i) Name the toxic substance found in specimen G (FRESH CASSAVA TUBER).
(ii) Suggest four ways of removing the toxic substance named in (a)(i).

(b) State two uses each of specimens I (ONION BULBS) and J (PEPPER FRUITS).

(c) List four pests of specimen I.

(d) Name two groups of crops to which specimens I and J belong based on their uses.