(a) State the major elements contained in each of specimens A, B and C.

(b) Give three uses of specimens A and B.

(c) Explain three ways in which specimen C is important in agriculture.

(d) Describe three physical differences between specimens B and C.

(a)(i) Mention the field operation that could be performed Using specimens G, H, I and J

(ii) Name three other pieces of equipment that may be added to specimens G, H, l, and J to perform the operation you have mentioned in (a)(i).

(iii) State one precaution that should be taken when using specimen J.

(b). State two uses of each specimen K and L.

Specimen K;        Specimen L;

(ii) State two structural differences between specimens K and L.

(iii) Mention two problems that could result from leaving specimen L on the field after use.

(a) ldentify specimens M, N, and O by their common names and their scientific names.

Specimen M;             Specimen N;              Specimen O;

(b)(i) Name one pest and one disease that attack the crop from which specimen O is obtained.

(ii) State one control measure for each of the pests and diseases mentioned in (b)(i).

(c) Mention three uses of specimen M.

(d) State two methods of preserving specimen N.

(a) ldentify specimen P, Q, and R.

Specimen P;                Specimen Q;            Specimen R;

(b) Name the part of the host where each of specimens P, Q and R can be found.

(c) Mention three ways by which specimen P is adapted to survive in the host.

(d) State three effects of specimen Q on the host.

(e) List four diseases transmitted by specimen R.

(f) State four control measures of specimen R.