Other questions in this quiz

2. How many circulatory systems do humans have?

  • 3
  • 2
  • 1
  • 4

3. The transpiration stream is a side effect of what reaction in plants?

  • Release of oxygen into the atmosphere
  • Evaporation
  • Photosynthesis
  • Absorbtion of minerals and ions from the soil

4. Which of these is NOT an adaptation of alveoli for maximising the diffusion of CO2 and O2?

  • Moist lining for dissolving gases
  • Huge surface area
  • Cool temperature for condensing gases
  • Good blood supply
  • Very thing walls

5. Which of these is NOT an adaptation of red blood cells?

  • Having no nucleus
  • Having the ability to change shape
  • Having a large surface area


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