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.
