(a) List four factors that cause a change in supply of agricultural produce [4 marks] (b) Distinguish between fixed cost and variable cost giving two exampl...

Assessment: WAEC SSCE - Agricultural Science - 2008 (Essay) Subject: Agricultural Science

Question 1 Report

(a) List four factors that cause a change in supply of agricultural produce [4 marks]

(b) Distinguish between fixed cost and variable cost giving two examples in each case [6 marks]

(c) Example the following agricultural extension teaching methods: (i) posters; (ii) field trips. [6 marks]

Answer Details

(a) Four factors that cause a change in supply of agricultural produce

  1. Change in the cost of production (prices of inputs).
  2. Change in technology used in production.
  3. Weather and climatic conditions.
  4. Government policy (taxes and subsidies).

(b) Fixed cost and variable cost distinguished

Fixed costVariable cost
Cost that does not change with the level of output and must be paid whether or not production takes place.Cost that changes directly with the level of output.

Two examples of fixed cost: rent on land; depreciation of machinery.

Two examples of variable cost: cost of seeds and fertilizers; wages of casual labour.

(c) Explanation of the agricultural extension teaching methods

(i) Posters: A poster is a printed visual aid, usually a sheet or chart carrying a short message with bold pictures and very few words, displayed in public places such as markets and clinics. It quickly attracts the attention of passers-by and passes a single agricultural idea to many farmers at a glance.

(ii) Field trips: A field trip is an organised visit by a group of farmers to a farm, research institute or demonstration site so that they can see improved practices being carried out and learn at first hand. It is a group teaching method that lets farmers observe results directly before adopting them.

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