Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 27, Problem 9SQ
Summary Introduction
To explain: Whether onion is a root or stem.
Concept introduction: Onion that is also known as bulb onion or common onion is a vegetable, which is most widely cultivated species of the genus Allium. Onion plant has a fan of hollow, bluish-green leaves and a bulb in the base of the plant. Onions become pungent when they are chopped, as they contain certain chemical substances that irritate the eyes.
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Biology: The Unity and Diversity of Life (MindTap Course List)
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- If you were examining a cross section of a primary root of a flowering plant, how would you determine whether it was a eudicot or a monocot?arrow_forwardWhat is the function of the lenticels? Do all stems have lenticels? How can you differentiate a monocot plant from a dicot plant just by looking at the stem? What advantage would herbaceous stems have over woody stems?arrow_forwardIf you were given an unfamiliar vegetable, how could you tell if it was a root or a stem, based on its external features and a microscopic examination of its cross section?arrow_forward
- How is the internal anatomy of a stem different from that of a root?arrow_forwardWhen you look at a head of cabbage or lettuce, what are you seeing? Where is the stem? What about when you look at an onion? What are you seeing and where is the onion’s stem?arrow_forwardWhich of the following is not a function of a stem?arrow_forward
- What do you think is the reason why some roots develop under the leaves?arrow_forwardWhat are the differences between VASCULAR and NON-VASCULAR plants? What is the difference between a MONOCOT or a DICOT? How can you determine the difference between MONOCOTS and DICOTS?arrow_forwardWhat is the difference between a monocot and a dicot seed?arrow_forward
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