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      Question

      Which micronutrient plays a key role in pollen

      germination?
      A Zinc Correct Answer Incorrect Answer
      B Boron Correct Answer Incorrect Answer
      C Iron Correct Answer Incorrect Answer
      D Copper Correct Answer Incorrect Answer

      Solution

      Boron is essential for pollen tube growth. It improves fertilization and fruit set. Deficiency leads to poor seed and fruit development.

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