CAIE IGCSE Biology 22.1.6 Make Evidence Based Predictions Topic Practice

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22.1.6 Make evidence-based predictions question 1

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Yeast is used in bread-making. It respires anaerobically, producing carbon dioxide.

A baker wants to increase the rate of carbon dioxide production in the bread-making process. The baker trialled different concentrations of glucose solution in the bread dough.
Fig. 3.1 shows the results.

Fig. 3.1

Fig. 3.1

Predict the rate of carbon dioxide production if the concentration of the glucose solution was 7.0 %. cm3\mathrm{cm}^{3} per min

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