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The stem region lying between two nodes is called what?
AThe petiole
BThe axillary bud
CThe apical bud
DThe internode
Answer & Solution
Correct answer: D. The internode
1. Nodes are the points where leaves, aerial roots and flowers attach to a stem.
2. The stretch of stem between two nodes is the internode.
3. A petiole is the stalk running from the stem to the base of the leaf, so it is not a stem region.
4. An axillary bud sits in the axil between leaf base and stem, and the apical bud sits at the shoot tip.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 30 "Plant Form and Physiology", section 30.2 Stems_
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