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8.3 Respiration

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Question 6
F

A student investigates energy release by living seeds. Two insulated containers have identical surroundings.

The table shows the results.

Table

ContainerContentsInitial temperature in ∘C^\circ\mathrm{C}∘CFinal temperature in ∘C^\circ\mathrm{C}∘C
Pliving seeds2027
Qboiled seeds cooled before use2020

Which conclusion is supported by these results?

[1]
A

living seeds release energy that warms their surroundings

B

boiled seeds absorb energy as quickly as living seeds

C

boiled seeds release energy as quickly as living seeds

D

living seeds absorb energy that warms their surroundings

Markscheme

8.3 Respiration Questions

  1. GCSE
  2. /Biology
  3. /8.3 Respiration

42 exam-style questions on Edexcel GCSE Biology 8.3 Respiration, covering 8.3.1 Aerobic and anaerobic respiration. Each one has a worked solution and a mark scheme showing where the marks go.

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