Photosynthesis - unit 4 AQA Biology a-level

Quiz about photosynthesis, can be used for any specification but fitted to the aqa biology specification at A2 :)

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  • Created by: Mirte
  • Created on: 05-06-14 11:55

1. Why are there different pigments present in the chloroplast?

  • Because each pigment absorbs different wavelengths of light
  • Because some pigments absorb infrared radiation
  • Because each pigment is a different colour
  • Because each pigment is located in a different part of the chloroplast and are thus in different conditions
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2. In the light-indepedent reaction (Calvin cycle) Ribulose biphospate combines with CO2, aided by enzyme action. What is the product of this?

  • Glycerate 3 phospate
  • Triose phospate
  • ADP and Pi
  • Phosporylated glucose

3. It is called the 'compensation point' when...

  • Respiration rate = Photosynthesis rate
  • CO2 concentration (released) = O2 concentration (absorbed)
  • Light absorbed = respiration rate

4. In the calvin cycle, some of the Triose Phospate created is converted into glucose. What is NOT a possible use of the glucose produced?

  • Nitrification in roots
  • Making proteins
  • Use in respiration
  • Conversion into starch for storage

5. Where does the light-independent reaction take place?

  • In the stomata
  • In the thylakoid membrane of the chloroplast
  • In the stroma
  • In the chloroplast membrane


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