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1.4 Photosynthesis

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Question 21

F

A student collects the oxygen given off by some pondweed in a gas syringe. In 30 minutes, the pondweed gives off 3.6 cm³ of oxygen. What is the mean rate of oxygen production in $cm3\text{cm}^3$ per hour?

[1]

A

$0.12$

B

$1.8$

C

$7.2$

D

$108$

Markscheme

1.4 Photosynthesis Questions

GCSE
Biology
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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