Biology B3 - Exchange of materials

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

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

  • Pressure decreases
  • Thorax volume increases
  • Thorax volume decreases
  • Intercostal muslces and diaphragm contract
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Other questions in this quiz

2. What are the waste products of photosynthesis?

  • Carbon dioxide and glucose
  • Carbon dioxide and oxygen
  • Oxygen and glucose
  • Glucose and Pollen

3. What is the definition of Osmosis?

  • The movement of water through solids walls from a region of medium elephant conctration to a region of low orange concentration
  • The movement of molecules across a partially permeable membrane from a region of high concentration to a region of low concentration.
  • The movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration.
  • The movement of water from a region of low concentration to a region of high concentration

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

  • Net
  • Small
  • Fast
  • Slow

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

  • Active transport
  • Electricity
  • Osmosis
  • Diffusion

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