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WAEC Agricultural Science 2000 Question 23

Question 23

Farm Machinery and Mechanisation

The diagram represents the seed plate of a drill. This seed plate has

Diagram for this question
  1. A.an entire edge
  2. B.pointed edges
  3. C.smooth edges
  4. D.serrated edges.
Show the answer and explanation

Answer: D (serrated edges.)

Explanation

The edge is notched with seed holes like teeth: serrated.