question 12: Colour of tubes
In this section, we have to enter the colour of tubes chosen from the selection proposed. In order to do this, slice off a piece of the cap to show a cut of the tubes, and note the colour before any change caused by the exposition to air.
When in doubt choose "I don't know"
Examples:
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The tubes are white here, select then for this case "white, pale or pink". |     | The tubes are yellow here, select then for this case "yellow to olive green". |     | The tubes are yellow here too, although the pores are red coloured. Select then for this case "yellow to olive green". |
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