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WAEC Agricultural Science 2001 Question 34

Question 34

Weeds and Weed Control

Which of the following statements is not true about weeds?

  1. A.Some weeds are parasitic on crop plants
  2. B.Weeds may harbour crop diseases
  3. C.All weeds are grasses
  4. D.Weeds reduce the nutritional value of a pasture
Show the answer and explanation

Answer: C (All weeds are grasses)

Explanation

Weeds include broadleaves and sedges, not only grasses.