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Question
In the figure given below, find out coleoptile, shoot apex and epiblast respectively.
In the figure given below, find out coleoptile, shoot apex and epiblast respectively.
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Solution
The correct option is B B, C and D
Embryos of monocotyledons possess only one cotyledon. In the grass family, the cotyledon is called scutellum. The portion of the embryonal axis above the level of attachment of scutellum is epicotyl. Epicotyl has a shoot apex (C) and few leaf primordia enclosed in hollow structure-the coleoptile (B). Epiblast is the outgrowth part of cotyledon as shown in D. Hence, B, C and D represent coleoptile, shoot apex and epiblast respectively.
Embryos of monocotyledons possess only one cotyledon. In the grass family, the cotyledon is called scutellum. The portion of the embryonal axis above the level of attachment of scutellum is epicotyl. Epicotyl has a shoot apex (C) and few leaf primordia enclosed in hollow structure-the coleoptile (B). Epiblast is the outgrowth part of cotyledon as shown in D. Hence, B, C and D represent coleoptile, shoot apex and epiblast respectively.
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