Transport Systems in Plants

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  • Created by: jenny
  • Created on: 23-05-16 22:07

1. What is not an adaptation of a plant to reduce water loss?

  • Close at night as no gases are needed, due to lack of sunlight
  • Waxy cuticle stops water escaping from the epidermis
  • Stomata that let air in
  • Stomata are on the underside to reduce direct heating
  • Dedidious Plants lose leaves in winter because temp is too low and ground might be frozen so water content needs to be saved
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2. Why do plants have transport systems?

  • Large and multicellular
  • Impatient and Rash
  • Large SA:V
  • To send leafmail to each other

3. What is evidence for translocation?

  • Sieve plates roles are unclear
  • If a metabolic poision is usedtranslocation is stopped
  • Not all solutes in phlowm move at the same rate

4. Which method does water used to move betwen plant cells?

  • Active transport
  • Osmosis
  • Facilitated Diffusion
  • Diffusuion

5. What is transpiration?

  • Loss of water vapur from ariel ports of a plantdue to evaporation
  • Movement of a stream of water from the highest point of a mountain to the sea

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