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
Cytoplasmic strands that extend through pores in adjacent cell walls are known as___________?
(A) Pseudopods
(B) Symplasts
(C) Plasmodesmata
(D) Pili
In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.
(A) Tonoplast
(B) Apoplast
(C) Symplast
(D) Vacuolar.
In plants, the neighbouring cells are connected with one another by__________?
(A) Plasmodesmata
(B) Cell walls
(C) Vacuoles
(D) Both ‘A’ & ‘B’