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The Fundamental Unit of Life — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
Middle lamella is formed of:
  • A
    Calcium pectate
  • B
    Cellulose
  • C
    Hemicellulose
  • D
    Lignin
✓

Answer

  1. Calcium pectate

Explanation:

The cell wall of two cells are join together by the middle lamella. Middle lamella is a jelly like substance which is made up of calcium and magnesium pectate.

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