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The Fundamental Unit of Life — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
Plant cell wall mainly consists of:
  • A
    Cellulose.
  • B
    Protein.
  • C
    Starch.
  • D
    None of the above.
✓

Answer

  1. Cellulose.

Explanation:

Cellulose is a polysaccharide. It is formed by the linkage of beta 1, 4 linkage of the glucose unit. It is an important component of the cell wall of the plant. It is used for the production of paper. It does not have free aldehyde group so they are non reducing sugar. It is a fibrous polysaccharide as it exists in form of long chain-like structure and is mainly found in plants.

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