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Different types of plant tissues on the basis of the capability to divide are:

I. Meristematic tissue

  • Apical meristem brings about primary growth at the shoot and root apex.
  • Lateral meristem responsible for secondary growth of the root and stem.
  • Intercalary meristem responsible for primary growth at the base of leaves and internodes.

II. Permanent tissue

Simple tissue

  • Parenchyma - Stores food and waste products, performs photosynthesis when containing chlorophyll, helps in lateral conduction as a component of phloem and xylem, provides buoyancy and stores gases as aerenchyma.
  • Collenchyma - Provides mechanical strength as well as flexibility to stem, petioles in young dicots, performs photosynthesis when containing chlorophyll.
  • Sclerenchyma - It is the main mechanical tissue of plants and provides strength and rigidity to withstand environmental strains.

Complex tissue

  • Phloem - It helps in the transport of organic food inside the plant body.
  • Xylem - Transport of water in plants occurs in the xylem. It also provides mechanical strength to the plant.
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