Q42 / 164 · NTA Abhyas (NEET) 2020 · Botany · Transport in Plants

In plants,                            potential in the water column in the xylem plays a major role in water transport up a stem.

  • A
    Positive pressure
  • Correct answer
    B
    Negative pressure
  • C
    Positive water
  • D
    Negative water

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.

Hence, the correct answer is option: 'B'.

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