(a) Using specimens A, C\(_{1}\), C\(_{2}\), D, E and F; carry out a test of a chemical property of the specimen labelled A and present your report under the following headings:

(i) aim (ii) procedure (iii) observaton (iv) conclusion

(b) State two probable causes of the soil condition observed on Specimen A

(c) Štate four reasons why the experiment is important in agriculture.

Diagrams H and I illustrate tractor-coupled implements. Use them to answer questions (a) - (c)

(a) Identify the implements illustrated by diagrams H and I.

Specimen H;                Specimen I;

(b) Name the parts labelled I -X.

(c) State one function of each or parts labelled I -IX.

(a) Name the primary source of each of specimens J (SAW DUST) and L

(b) State four uses of each of specimens J and K(PIECE OF PLANK), and two uses of specimen M (HONEY). 

(c) State three ways of ensuring continuous supply of the primary source of specimen K

(a) ldentify specimens N, O, and P.

Specimen N;          Specimen O;                       Specimen P;

(b) State the relationship between specimens O and P.

(c) List five economic importance of specimen N in an aquatic ecosystem,

(d) Give three benefits of stocking both specimens O and P together in the same pond.

(a) (i) Classify specimens B and D according to their mode of formation.
(ii) Name two other rocks for each mode of formation.

(b) Given three differences between specimens B and D.

(c) State three uses of specimen D in agriculture.

(d) State five disadvantages of an abundance of specimen D on a farmland.