Monocot Embryo Structure and Parts — NEET Biology
📚 Practice ConceptThe portion of the embryonal axis above the level of attachment of scutellum is the epicotyl. Epicotyl has a shoot apex and a few leaf primordia enclosed in a hollow foliar structure, the coleoptile. Soak a few seeds in water (say of wheat, maize, peas, chickpeas, ground nut) overnight. Then split the seeds and observe the various parts of the embryo and the seed.
Which of the following statements about the protective structures in monocotyledonous seeds are NOT correct? S1: The scutellum is the single cotyledon, which typically stores a large amount of food reserves. S2: The coleoptile is an undifferentiated sheath that protects the radicle and root cap. S3: The epicotyl, along with the shoot apex and leaf primordia, is enclosed within the coleoptile. S4: The coleorhiza protects the plumule during germination. S5: In maize, the primary site for nutrient absorption from the endosperm is the coleoptile.
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