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1.4 Photosynthesis

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Question 50
F

A piece of pondweed gives off 48 bubbles of oxygen in 4 minutes. What is the rate of photosynthesis in bubbles per minute?

[1]
A

192192192

B

444444

C

525252

D

121212

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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