(a) State three advantages and two disadvantages of manual labour. (b) Enumerate four qualities of good draught animals. (c) State two precautions to be observed when using draught animals. (d) Explain how power from each of the following sources are harnessed for use on the farm: (i) sun, (ii) biogas.

 (a) List ten poultry equipment and state the main use of each. (b) Name two parts of a tractor involved in the coupling and operation of implements. (c) State four maintenance practices of a tractor.