Garden Beans and Many Other Eudicots Have a Hooked Hypocotyl

question 15

Multiple Choice

Garden beans and many other eudicots have a hooked hypocotyl during germination. Which of the following is true concerning hypocotyls and/or the hypocotyl hook?

• A) It is the first structure to emerge from a eudicot seed.
• B) It pushes the cotyledons up through the soil.
• C) It straightens when exposed to sufficient water.
• D) It is stunted in an etiolated seedling.
• E) It emerges after the successful establishment of the radicle.

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