Select the correct statement from the following:

  • A
    Hanging drop method is used for in-vivo germination of pollen grains.
  • B
    Obturator directs the growth of the pollen tube towards the micropyle of the seed.
  • C
    There are many embryos of different sizes and shapes in the seeds of orange.
  • D
    Embryo arises parthenogenetically from the diploid egg in adventive embryony.

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