A-LevelBiologyTransport in plants9700/12 · May/June 2010 · Q81 Mark

Some soil-borne fungi cause wilting in crop plants by growing within the xylem vessels. Which process will be directly affected by these fungi?

Acohesion between water molecules

Bdevelopment of root pressure

Cmass flow during translocation

Duptake of water by root hair cells

✓ Correct answer

A: cohesion between water molecules

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Topic: Transport in plants, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2010 Paper 1 Variant 2, question 8.

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