Simple tissues in plants are made of only one kind of similar cells and usually do basic jobs like support, storage, or photosynthesis, while complex tissues are made of several different kinds of cells working together mainly for transport (xylem and phloem).

Quick Scoop

What are simple tissues?

  • Made of one type of cell only (homogeneous tissue).
  • Cells look similar and perform similar functions.
  • Main functions:
    • Storage (parenchyma).
* Mechanical support and flexibility (collenchyma).

* Rigidity and strength (sclerenchyma).
  • Found in many parts of the plant body (cortex, pith, mesophyll, etc.).
  • Examples: parenchyma, collenchyma, sclerenchyma.

What are complex tissues?

  • Made of more than one type of cell (heterogeneous tissue).
  • Different cells differ in structure and function but work together as a unit.
  • Main function: transport of materials in plants.
* Xylem: transports water and minerals from roots to other parts.

* Phloem: transports food (sugars) from leaves to the rest of the plant.
  • Present mainly in vascular bundles (roots, stems, leaves).
  • Examples: xylem and phloem.

Side‑by‑side differences

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Feature Simple tissues Complex tissues
Cell types One type of similar cells.More than one type of cells.
Nature Homogeneous (uniform).Heterogeneous (mixed).
Main function Storage, support, photosynthesis.Transport of water, minerals, and food.
Examples Parenchyma, collenchyma, sclerenchyma.Xylem, phloem.
Location All parts of plant body (cortex, pith, etc.).Vascular regions / vascular bundles.
Role of cells All cells do similar work.Different cells do different, coordinated jobs.

One‑line exam style answer

  • Simple tissues are made of only one type of similar cells and help mainly in support, storage, and photosynthesis, whereas complex tissues are made of different types of cells and mainly help in transport of water, minerals, and food (xylem and phloem).

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