IB Biology HL 2.4.2 Osmosis, osmolarity and plant-water balance Question Bank
Practise IB Biology HL 2.4.2 by analysing osmolarity and water movement in roots and saline soils.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Relate osmolarity to water movement into root cells.
- Evaluate how irrigation and soil salinity change water uptake by plants.
D2.3.2—Water movement question 1
[Maximum number: 1]
Excessive irrigation can cause increased salinity in the soil. What effect does this have on water transport in the plant roots?
A
Decreases movement of water from soil into the root
B
Absorption of water with a higher solute concentration
C
Increases movement of water from soil into the root
D
Absorption of water with a lower solute concentration
A
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