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1.4 Photosynthesis

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Question 9

A colony of photosynthetic bacteria grows on a damp rock in the light.

Which substance does the colony take in from the air and use as a reactant in photosynthesis?

[1]
A

glucose

B

oxygen

C

carbon dioxide

D

water

Markscheme

1.4 Photosynthesis Questions

  1. GCSE
  2. /Biology
  3. /1.4 Photosynthesis

117 exam-style questions on OCR GCSE Biology 1.4 Photosynthesis, covering 1.4.1 Photosynthesisers as biomass producers, 1.4.2 Factors affecting the rate of photosynthesis, and 1.4.3 Limiting factors in photosynthesis. Each one has a worked solution and a mark scheme showing where the marks go.

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