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1.4 Photosynthesis

1.4 Photosynthesis

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Question 6

In experiments on photosynthesis, it is often necessary to compare different light intensities.

A plant 30 cm from a light source receives a light intensity of 20 arbitrary units of light.

What light intensity does the plant receive at a distance of 15 cm from the light source?

A

101010

B

404040

C

808080

D

180180180

Markscheme

1.4 Photosynthesis Questions

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

12 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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