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Difference between parenchyma, chollenchyma and sclerenchyma?
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Difference between parenchyma, chollenchyma and sclerenchyma?
Difference # Parenchyma:
1. Parenchyma originate from protoderm and ground meristem.
2. Cells are living.
3. Cells are usually isodiametric but various shapes are also found.
4. The cell wall is thin, uniformly thickened and cellulosic.
5. The cell walls are primary in nature without sculpturing.
6. The walls show plasticity.
7. There are primary pit fields on the cell wall.
8. Parenchyma tissue have extensive intercellular spaces.
9. Parenchyma forms a ground to hold collenchyma and sclerenchyma.
10. The main function is storage.

Difference # Collenchyma:
1. Collenchyma originate from pro-cambium like cells in the ground meristem.
2. Cells are living.
3. Cells are generally elongated.
4. The cell walls are unevenly thick with more thickenings at the corners and composed of pectin and other substances.
5. The cell walls are primary in nature with no sculpturing.
6. Cells walls are usually plastic.
7. Pits are rare on cell wall.
8. Very less intercellular spaces are present with occasional inter locking ends.
9. It remains embedded in parenchyma.
10. Storage and mechanical rigidity are the main functions.

Difference # Sclerenchyma:
1. Sclerenchyma originates from protoderm procambium and ground meristem.
2. Cells are dead.
3. Cells are isodiametric (sclereids) and elongated (fibres).
4. The cell walls are uniformly thick and composed of lignin and other substances.
5. The cell walls are formed secondarily with various sculpturing like annular, spiral, reticulate etc.
6. Cell walls are elastic.
7. Simple and bordered pits are present.
8. Intercellular spaces are absent and the ends of the fibres may be interlocked.
9. It remains embedded in parenchyma.
10. It is mechanical tissue.
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Difference between parenchyma, chollenchyma and sclerenchyma?
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Difference between parenchyma, chollenchyma and sclerenchyma? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Difference between parenchyma, chollenchyma and sclerenchyma? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Difference between parenchyma, chollenchyma and sclerenchyma?.
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