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Tissues, Organs and Organ Systems in Plants and Animals — BIOLOGY STD 7 — Question

ICSE BoardEnglish MediumSTD 7BIOLOGYTissues, Organs and Organ Systems in Plants and Animals3 Marks
Question
Differentiate between:
parenchyma and sclerenchyma.
✓

Answer

Parenchyma :
  • The cells are thin walled
  • The cells are living.
  • Protoplasm is present.
  • Cells of this tissue store food material.
Sclerenchyma :
  • The cell wall of the cells is thickened all over.
  • The cells are non living.
  • Protoplasm is absent.
  • This tissue provides mechanical strength to the stem of the plant.

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