Lenticular transpiration is ___________ of total transpiration?

A. 2-3%
B. 1-3%
C. 1-4%
D. 1-2%

All plants do not possess___________?

A. Lenticels
B. Cuticle
C. Stomata
D. All of these

Cuticular transpiration is _________ of total transpiration?

A. 6-8%
B. 5-7%
C. 7-9%
D. 4-6%

Exceptionally the positive hydrostatic pressure generated by root pressure is about___________?

A. 600 Kpa
B. 800 Kpa
C. 1000 Kpa
D. 900 Kpa

Commonly in other plants than tall ones the speed of upward movement of water is____________?

A. 8mh-1
B. 1 mh-1
C. 7 mh-1
D. 4 mh-1

___________ component of cell wall has grreat affinity with water?

A. Lignin
B. Cellulose
C. Pectin
D. All of these

___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?

A. Osmotic
B. Pressure
C. Both of these
D. None of these

The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)

A. Deffusion
B. Osmosis
C. Active transport
D. None of these

The pressure generated when water enters & inflates plant cells is called ___________ potential?

A. Water
B. Osmotic
C. Pressure
D. Solute

In plants, water potential is determined by major factors?

A. Three
B. Four
C. Two
D. Five