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    • Question

      Among the following options, which weed is categorized

      as a total root parasite, meaning it relies entirely on its host plant's roots for nutrients and does not photosynthesize to produce its own energy?
      A Loranthus Correct Answer Incorrect Answer
      B Orobanche Correct Answer Incorrect Answer
      C Striga Correct Answer Incorrect Answer
      D Pistia Correct Answer Incorrect Answer

      Solution

      Orobanche cernua (Broom rape) is a total root parasite. Its host plant is tobacco.

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