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      Question

      The adverse effect of host plant on the insect due to

      the presence of some toxic substances or absence of required nutritional components is referred as:
      A Antixenosis Correct Answer Incorrect Answer
      B Antibiosis Correct Answer Incorrect Answer
      C Tolerance Correct Answer Incorrect Answer
      D Host Plant Resistance Correct Answer Incorrect Answer
      E Non-preference Correct Answer Incorrect Answer

      Solution

      Antibiosis refers to the adverse effect of host plant on the insect due to the presence of some toxic substances or absence of required nutritional components. Such plants are said to exhibit antibiosis and hence do not suffer as much damage as normal plants.

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