9700/12 Biology Feb Mar 2019 Online Test | Cambridge AS and A Level MCQ
The statements describe events that occur during the movement of sucrose.
1 Hydrostatic pressure is decreased.
2 Hydrostatic pressure is increased.
3 Sucrose is loaded into the phloem vessel.
4 Sucrose is unloaded from the phloem vessel.
5 Water moves by osmosis into the phloem.
6 Water moves by osmosis out of the phloem.
7 Water potential decreases in the phloem.
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