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OJEE Transpiration Routes — practice questions

Explore 1 free Transpiration Routes questions in OJEE Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Transpiration Routes questions and exercises with answers

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Loss of water as **vapour** (transpiration) is highest in which type of tissue/structure on a typical dicot leaf?Read the answer and worked solution →

Worked practice questions

Loss of water as **vapour** (transpiration) is highest in which type of tissue/structure on a typical dicot leaf?

  1. Cuticle
  2. Lenticels
  3. Stomata (90–93% of total transpiration)
  4. Trichomes
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Correct answer: C. Stomata (90–93% of total transpiration)

Stomatal transpiration ≈ 90–93% cuticular ≈ 8–10%; lenticular ≈ 0.1–1%. Stomata are the main regulated route — they can be closed via ABA signalling during water stress.

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