BotanyFor the pollen tube to emerge out of the germ pore, which of the following element is required?

For the pollen tube to emerge out of the germ pore, which of the following element is required?

  1. A

    Nitrogen

  2. B

    Sulphur

  3. C

    Boron

  4. D

    Molybdenum

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    Solution:

    Boron is required for uptake and utilization of Ca2+, membrane functioning, pollen germination, cell elongation, cell differentiation and carbohydrate translocation. 

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