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#Question id: 5576


The polarity of a plant is established when ________.

#SCPH28 | Zoology
  1. cotyledons form at the shoot end of the embryo

  2. the shoot-root axis is established in the embryo

  3. the primary root breaks through the seed coat

  4. the shoot first breaks through the soil into the light as the seed germinates


Answer:- Option(s): 2


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