(a) Name four breeds of chicken used for commercial egg production. 14 marks]
(b) State two functions of each of the following components in the diet of farm animals: (i) water (ii) minerals (ii) antibiotics (iv) protein [8 marks]
(c) Enumerate four advantages of the intensive system of rearing ruminants. [4 marks]
(a) State three functions of a farm manager. [3 marks]
(b) Explain the following terms as used in agricultural economics: (i) appreciation (ii) salvage value (iii) farm budget (iv) farm inventory [8 marks]
(c) State five qualities of a good agricultural extension agent. [5 marks]
(a)(i) State the law of diminishing returns [2 marks}
(ii) Explain the main cause of diminishing returns in agricultural production. [2 marks]
(b) A commercial farmer bought a second hand combine harvester for N100,000.00 in 1990, and sold it for N30,000.00 in 2000. For the combine harvester (i) salvage value [1 marks]
(ii) total depreciation [2 marks]
(iii) annual depreciation [2 marks]
(c) List seven problems of agricultural extension services in West Africa. [7 marks]
Using specimens A, B (WATER), C (SODIUM CARBONATE).and D, carry out an experiment to show that soil is made up of different particle sizes
(a) (i) Describe the procedure used in concting the experiment
(ii) State your observations and results
(b) State one function of each of specimens B and specimen C in the experiment
(c) State three precautions taken in carrying out the experiment.
(a) Describe briefly each of specimens G (CUTLASS), H (HOE), and l (SHORT HANDLE SICKLE)
(b) State two uses of each of specimens G, H, and I
(c) State three ways of maintaining the specimens in (a) and (b)
