Respiration, Metabolism and Photosynthesis

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  • Created by: music14
  • Created on: 19-03-17 19:43

1. When is anaerobic respiration used?

  • It is used when there's not enough Oxygen (usually when we exercise.)
  • It is used when we have no lactic acid.
  • It's used when there is lots of Oxygen (when we aren't exercising.)
  • It's used when there's not much glucose.
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2. On a 'Rate of Photosynthesis' graph, if the Carbon Dioxide is being increased and the rate slows, what must be the possible limiting factors?

  • Carbon Dioxide or temperature
  • Light intensity or temperature (or chlorophyll)
  • Carbon Dioxide and Light intensity
  • Light intensity or water (or chlorophyll)

3. Why does your breathing rate and breath volume, and heart rate increase when you exercise?

  • To get more oxygen into the blood, and the heart rate increases so that oxygenated blood gets round the body faster.
  • To get less oxygen into the blood.
  • To get more carbon dioxide into the blood, and the heart ate increases so the muscles work harder.
  • To get the muscles to work more efficiantly.

4. What causes muscle fatique?

  • It is the length of time you exercise for.
  • Long periods of exercise.
  • It depends on what exercise you do.
  • Short periods of exercise.

5. What is the word equation for anaerobic respiration?

  • Glucose--> lactic acid
  • Water --> lactic acid
  • Lactic acid --> glucose
  • Glucose --> water
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