Transport in Plants Question 23

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

[2015 RS]

(a) Tensile strength of water

(b) Lignification of xylem vessels

(c) Positive root pressure

(d) Dissolved sugars in water

Show Answer

Answer : a

Hints & Solutions

(a) Due to tensile strength of water, a column of water within xylem vessels of tall trees does not break under its weight.