HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Moves water UP
A
Xylem
B
Phloem
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Capillary action draws water up within the xylem. Cohesion-tension pulls water up the xylem.

Detailed explanation-2: -The suction force (negative pressure) created by transpiration from the leaves’ surface draws water from the soil and roots through the xylem. Water is sucked up as a result of the xylem vessel. Due to the appearance of capillary action, transpirational pull moves water from roots to leaves.

There is 1 question to complete.