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Multiple Choice
Which portion of an embryonic plant consists of the shoot tip with a pair of miniature leaves?
A
Coleoptile
B
Radicle
C
Scutellum
D
Hypocotyl
E
Epicotyl
Verified step by step guidance
1
Understand the structure of an embryonic plant: An embryonic plant consists of several key parts, including the epicotyl, hypocotyl, radicle, and cotyledons.
Define the epicotyl: The epicotyl is the portion of the embryonic plant that develops into the shoot system, including the stem and leaves. It is located above the cotyledons and is responsible for the initial growth of the plant's shoot.
Identify the function of the epicotyl: The epicotyl contains the shoot tip and a pair of miniature leaves, which are crucial for the plant's early development as they will grow into the main stem and leaves.
Differentiate the epicotyl from other parts: The coleoptile is a protective sheath covering the young shoot in monocots, the radicle is the embryonic root, the scutellum is a specialized cotyledon in grasses, and the hypocotyl is the stem-like part below the cotyledons.
Conclude that the epicotyl is the correct answer: Based on the definitions and functions, the epicotyl is the portion of the embryonic plant that consists of the shoot tip with a pair of miniature leaves.