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WAEC Agricultural Science 1994 Question 25

Question 25

Crop Propagation

Yam setts are usually planted with cut surface

  1. A.downwards and sloping at 45 degrees
  2. B.downwards and vertically at 90 degrees
  3. C.upwards and vertically at 90 degrees
  4. D.upwards and sloping at 45 degrees
  5. E.sideways and sloping at 90 degrees.
Show the answer and explanation

Answer: D (upwards and sloping at 45 degrees)

Explanation

Setts are placed slanting with the cut face up so water does not collect and rot it, and shoots emerge easily.