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Option 1 : Stomata

The correct answer is Stomata.

  • The stomata part of the plant allows for the uptake of carbon dioxide and limits the loss of water due to evaporation.
  • The stomata present in the leaves are responsible for the uptake of carbon dioxide and limit the loss of water due to evaporation.
  • Transpiration is a process in which excess water is lost in the form of vapours from the aerial parts of the plant.
  • Mainly through the stomates of leaves.

  • Petiole: It is like a stem that attaches the leaf blade to the stem.
  • Modification of Petiole:
    • Winged Petiole: Green flattened petiole. Example: Citrus.
    • Tendrillar Petiole: Example: Clematis.
  • Stipules: It is the outgrowths borne part that may be present on either side of the base of a leafstalk.
  • Example present at the base of a rose leaf.

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