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WAEC Agricultural Science 2006 Question 36

Question 36

Weeds and Weed Control

The control of spear grass on the farm is difficult because

  1. A.it produces a large quantity of seeds
  2. B.it is easily propagated by suckers
  3. C.it has a very persistent rhizome
  4. D.seeds persist in the soil for a long time
Show the answer and explanation

Answer: C (it has a very persistent rhizome)

Explanation

Its underground rhizomes regrow after cutting or burning.