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Question 19N.1.SL.TZ0.13

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1.SL.TZ0.13
Level SL Paper 1 Time zone TZ0
Command term Deduce Question number 13 Adapted from N/A
13.
[Maximum mark: 1]
19N.1.SL.TZ0.13

The diagram shows a respirometer used to measure respiration rate in germinating seeds.

[Source: used with the kind permission of the Nuffield Foundation and the Royal Society of Biology]

 

What is the expected direction of movement of the fluid at X and the function of the fluid at Y?

[1]

Markscheme

C

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