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1. What is it called when a starch store is used by keeping the plant in the dark for a day or two before an experiment to make sure what is seen is new starch?

  • De-starching
  • Unphotosynthesing
  • Using the stores
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2. Proteins also require a supply of nitrogen, where does this come from?

  • Nitrogen
  • Nitrates in the soil
  • Nitrates in the atmosphere

3. If a temperature is very high, can photosynthesis occur?

  • No
  • Yes

4. Which can glucose not be transformed into?

  • Oxygen for breathing
  • Proteins for new cells
  • Cellulose for cell walls

5. Is photosynthesis controlled by enzymes?

  • Yes
  • No


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