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Tissues — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceTissues1 Mark
MCQ
A permanent tissue is described as complex tissue when it has:
  • A
    One type of cells, performing two or more different functions.
  • B
    More than one type of cells, performing different functions.
  • ✓
    One type of cells, performing one function.
  • D
    More than one type of cells, performing one common function.
✓

Answer

Correct option: C.
One type of cells, performing one function.
They can be thin walled or thick walled and have permanent shape. Permanent tissues can be simple or permanent complex tissues. Complex permanent tissue is made up of a group of same type of cells which have common origin and function. Xylem and phloem are complex tissues and form vascular tissue of the plant.

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