NTA Abhyas NEET2020BotanyTransport in PlantsPractice
In plants, potential in the water column in the xylem plays a major role in water transport up a stem.
Options
- APositive pressure
- BNegative pressure
- CPositive water
- DNegative water
Correct answer
B. Negative pressure
Step-by-step solution
Pressure potential is usually positive, though in plants negative potential or tension in the water column in the xylem plays a major role in water transport up a stem.