Answer the following question.
While observing a section, many scattered vascular bundles could be seen. Teacher said, in spite of this large number the stem cannot grow in girth. Why?
- Students must have observed monocot stems.
- It is because, monocot stem shows scattered vascular bundles.
- In monocot stem, vascular bundles are closed i.e. without cambium.
- Thus, secondary growth does not occur which is required for an increase in girth. Hence, in spite of having large number of scattered vascular bundles, monocot stems do not grow in girth.
Concept: Anatomy of Root, Stem and Leaf
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