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. What is the function of light in the light-depedent reaction?

  • To make ATP, photolysis of water, To enable the chlorophyll to take up an electron
  • To make ATP, photolysis of water, to excite an electron in chlorophyll
  • photolysis of water, to reduce glycerate-3-phospate, to make ATP
  • To reduce CO2, to make ATP, to excite an electron in chlorophyll
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2. ..................... reactions are used to reduce Glycerate 3 phosphate to triose phosphate in the calvin cycle.

  • ATP to ADP + Pi & NADPH to NADP + H
  • me + banana
  • ADP + Pi to ATP & NADPH to NADP + H
  • ATP to ADP + Pi & NADP + H to NADPH

3. 'The rate of photosynthesis is affected by the factor whose level is at the least favourable value' this is called the...

  • stopping factor
  • least favourable factor
  • limiting factor
  • limited factor

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

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

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

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


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