Stolon, offset and rhizome are different | Class 11 Biology Chapter Morphology of Flowering Plants, Morphology of Flowering Plants NCERT Solutions
Question: Stolon, offset and rhizome are different forms of stem modifications. How can these modified forms of stem be distinguished from each other?
Answer:
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Stolon
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Offsets
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Rhizome
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- Stolon is a type of creepers (weak stemmed plants).
- These are the special types of runners which initially grow in upward direction like ordinary branches and then bent down to develop new plants.
- Example: Strawberry (Fragaria vesica)
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- Offsets is a type of creepers (weak stemmed plants).
- Offsets are one internode condensed runners usually found in rosette plants.
- Each offset produces at its apex a tuft of leaves above and a cluster of roots below.
- Example: Eichhornia (water hyacinth)
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- Underground stems growing parallel or below to soil surface is called Rhizome.
- Most of the rhizomes are fleshy and store reserve food materials.
- They are differentiated into nodes and internodes.
- Nodes bear brown scale leaves which protects axillary buds.
- It helps in vegetative propagation.
- Example: Rhizome of Zingiber officinale (ginger)
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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 3: Stolon, offset and rhizome are different forms of stem modifications. How can these modified fo....
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