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      Question

      …………………… has been used as a synonym of

      heterosis. It is generally agreed that ……………….. describes only the superiority of hybrids over their parents
      A Male sterility Correct Answer Incorrect Answer
      B Self incompatibility Correct Answer Incorrect Answer
      C Hybrid vigour Correct Answer Incorrect Answer
      D Heterobeltiosis Correct Answer Incorrect Answer

      Solution

      Hybrid  vigour has been used as a synonym of heterosis. Itis generally agreed that hybrid vigour describes only the superiority of hybrids over their parents.

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