WAEC Agricultural Science 2005 Question 37

Question 37

Weeds and Weed Control

When a farmland is heavily infested with striga, it may be concluded that the farmland

  1. A.is undergoing drainage
  2. B.had not been regularly irrigated
  3. C.may have been used for growing guinea corn
  4. D.may have been used for cowpea production.
Show the answer and explanation

Answer: C (may have been used for growing guinea corn)

Explanation

Striga (witchweed) parasitises cereals such as guinea corn, building up where they are grown.