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4.1 Photosynthesis

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Question 17

A student measured the energy reaching an aquatic plant and the energy stored in new biomass made by the plant over the same period.

Energy measuredEnergy
Light reaching the plant120 kJ
Energy stored in new biomass1.8 kJ
a.

Calculate the percentage of the light energy reaching the plant that was stored in new biomass.

[2]
b.

Explain how energy from the light reaching the plant came to be stored in its new biomass.

[2]
Markscheme

4.1 Photosynthesis Questions

  1. GCSE
  2. /Biology
  3. /4.1 Photosynthesis

68 exam-style questions on AQA GCSE Biology 4.1 Photosynthesis, covering 4.1.1 Photosynthetic reaction, 4.1.2 Rate of photosynthesis, and 4.1.3 Uses of glucose from photosynthesis. Each one has a worked solution and a mark scheme showing where the marks go.

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