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Doctors Medicines MCQs Q&A

  1. Aerial parts only
  2. Roots only
  3. Both aerial parts and roots
  4. Neither aerial parts nor roots
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1 Answers

Option 1 : Aerial parts only

Epidermal cells of Aerial parts of the plants often secrete a waxy water resistant layer on their outer surface.

  • The outermost layer covering all plant organs is called the epidermis.
  • It originates from the outermost layer of the apical meristem.
  •  It is in direct contact with the environment and so it modifies itself to adapt to the natural surroundings.
  • It thus protects the inner tissues from any natural calamities like high temperature, mechanical injury, external infection etc.
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