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5:25 AM 0. OKB/s G Ball Baal S, , , , , , , , , , , , The embryo axis: it is the elongated portion of embryo consisting, , of short hypocotyls, at one end of which there is the plumule and, , at the other is the radicle., , The plumule:, , It is the upper part of the embryo axis and is the first bud. It gives, the shoot system., , It does not differentiate to nodes and internodes., , The epicotyl is the portion of the plumule above the cotyledonary, stalk., , The radicle:, , It is the lower portion of the embryo axis which divides to give the, primary root., , Cotyledons (seed leaves): the plant with one cotyledon are, known as monocots e.g. Zea, while those with two cotyledons are, dicots e.g. Vicia faba., , Functions of cotyledons:, , Storage of food in exalbuminous e.g. Vicia or Phaseolus., Protection of epicotyl and plumule., , May become green and undergo photosynthesis.