Question 18
Transport in PlantsUse the diagram of the experiment to answer: In the experiment, the layer of oil serves to prevent water loss by
- A.transpiration
- B.evaporation
- C.osmosis
- D.guttation.
Show the answer and explanation
Answer: B (evaporation)
Explanation
The oil covers the water in the beaker so none of it can evaporate. Any droplets in the jar must then come from the plant.