Biology B3 - Exchange of materials

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  • Created by: Caitlanbc
  • Created on: 17-04-16 19:40

1. Which of these is not a way exchange surfaces are adapted to maximise effectiveness?

  • Lots of blood vessels nearby
  • Lots of mitochondria
  • Large surface area
  • They are thin
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Other questions in this quiz

2. What is transpiration?

  • The process of water movement through a plant when it evaporates out the stomatas and is drawn from the roots
  • The process of oxygen movement when it is drawn in through the stomata and released from the roots
  • When plants get rid of excess water
  • Plants wilting because they do not have enough water

3. Because water molecules move randomly, it is a ___ movement?

  • Slow
  • Small
  • Net
  • Fast

4. Root hairs use ___ to absorb water and minerals?

  • Active transport
  • Osmosis
  • Diffusion
  • Electricity

5. Which of these things doesnt happen when we breathe in?

  • Thorax volume decreases
  • Pressure decreases
  • Thorax volume increases
  • Intercostal muslces and diaphragm contract

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