CAIE A-Level Biology AS 7.2.4 Hydrogen Bonding in Water Movement Questions

Explain cohesion and hydrogen bonding in xylem water movement using evidence from each question and mark scheme.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • Explain the role of hydrogen bonding and cohesion in water movement through xylem.

CAIE A-Level Biology AS 7.2.4 Hydrogen Bonding in Water Movement Questions question 1

[Maximum number: 3]

Hydrogen bonding is important in the movement of water in xylem.

Outline how hydrogen bonding is involved in water transport in the xylem of a plant stem.

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