Q28 / 180 · NEET 2015 (Phase 2) · Botany

A column of water within xylem vessels of tall trees does not break under its weight because of:

  • Correct answer
    A
    Tensile strength of water
  • B
    Lignification of xylem vessels
  • C
    Positive root pressure
  • D
    Dissolved sugars in water

Solution

The column of water within the Xylem vessel of tall trees does not break under its weight due to the high tensile strength of water. Tensile strength is the ability to resist pulling forces.

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

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