Biology
State the differences between parenchyma, collenchyma and sclerenchyma tissues with diagrams.
Tissues
ICSE
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Answer
Sl. No. | Parenchyma | Collenchyma | Sclerenchyma |
---|---|---|---|
1. | Cells are thin walled | Cells are thick walled | Cells have walls thickened with lignin |
2. | Cells are living | Cells are living | Cells are dead |
3. | Cells are oval, spherical or cylindrical in shape | cells are circular, oval or polygonal | Cells are elongated and have tapering ends |
4. | Present in all parts of plant body | Found below epidermis in young stems and petioles | Found in stems and veins of leaves |
5. | Intercellular spaces are present | Intercellular spaces are generally absent. | Intercellular spaces are absent |
6. | Participate in photosynthesis and store food | Provide structural support to growing stems and leaves. | Provide mechanical strength to stem. |
The diagrams are shown below:
Parenchyma
![State the differences between parenchyma, collenchyma and sclerenchyma tissues with diagrams. Plant Tissues, Living Science Biology Ratna Sagar Solutions ICSE Class 7.](https://cdn1.knowledgeboat.com/img/rb7/parenchyma-living-science-biology-solutions-icse-class-7-539x463.jpg)
Collenchyma
![State the differences between parenchyma, collenchyma and sclerenchyma tissues with diagrams. Plant Tissues, Living Science Biology Ratna Sagar Solutions ICSE Class 7.](https://cdn1.knowledgeboat.com/img/rb7/collenchyma-living-science-biology-solutions-icse-class-7-534x467.jpg)
Sclerenchyma
![State the differences between parenchyma, collenchyma and sclerenchyma tissues with diagrams. Plant Tissues, Living Science Biology Ratna Sagar Solutions ICSE Class 7.](https://cdn1.knowledgeboat.com/img/rb7/sclerenchyma-living-science-biology-solutions-icse-class-7-536x465.jpg)
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