Class 12 · Sexual Reproduction in Flowering Plants

Dicot Embryo Structure & Parts — NEET Biology

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A typical dicotyledonous embryo, consists of an embryonal axis and two cotyledons. The portion of embryonal axis above the level of cotyledons is the epicotyl, which terminates with the plumule or stem tip. The cylindrical portion below the level of cotyledons is hypocotyl that terminates at its lower end in the radicle or root tip. The root tip is covered with a root cap.

NCERT Biology · Class 12 · Chapter 1 · Paragraph 64
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Match the following parts of an angiosperm embryo with their corresponding derivatives and key features: Column I (Embryo Part) A. Plumule B. Radicle C. Epicotyl D. Hypocotyl E. Cotyledons Column II (Derivative) I. Shoot system II. Root system III. Stem above cotyledons IV. Stem below cotyledons V. Food storage Column III (Key Feature / Location) P. Terminates with the shoot apex Q. Protected by coleorhiza in monocots R. Portion of embryonal axis above the level of cotyledons S. Cylindrical portion below the level of cotyledons T. Can be one or two in number depending on plant type

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