AP BIOLOGY

PLANTS

ROOTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Function of transpiration is
A
Upward pull of water and minerals
B
Cools the plant surface
C
Temperature regulation
D
All
Explanation: 

Detailed explanation-1: -Transpiration helps in the movement of water molecules from the roots to the upper part of the plants. The removal of water molecules generates a transpiration pull in the xylem tissue allowing the water to move upward.

Detailed explanation-2: -There are three kinds of transpiration: stomatal transpiration, cuticular transpiration and lenticular transpiration.

Detailed explanation-3: -Final answer: Excretion of minerals is not a function of transpiration.

Detailed explanation-4: -Explanation: Transpiration is the process by which aerial part of the plant (mainly leaves) looses water in the form of water vapour.

There is 1 question to complete.