CAIE A-Level Biology AS 7.2.5 Xerophytic Adaptations Questions
Explain xerophytic adaptations that reduce water loss using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain xerophytic adaptations that reduce water loss in plants.
CAIE A-Level Biology AS 7.2.5 Xerophytic Adaptations Questions question 1
The photomicrograph shows some xerophytic adaptations in leaf tissue.
Which row shows the correct functions for structures 1,2 and 3 ?
reduces the water vapour concentration gradient between the inside and outside of the leaf
reduces evaporation from the epidermis of the leaf
traps a layer of moist air
1, 2 and 3
3 only
2 only
1 and 2 only
1, 2 and 3
1 and 2
1 only
2 and 3 only
1 and 2
2 and 3 only
1 and 2 only
1 only
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