Water from the soil is absorbed by
the root hairs across the cortex through a system of interconnecting cell-wals
and inner cellular spaces, this movement of water is called…….
a) appoplast pathway
b) symplast pathway
c) alloplast pathway
d) vacuolar pathway
When water moves from soil along the cell walls and also moves inwards across the living cortical cells by the process of osmosis, it is called…….
a) appoplast pathway
b) symplast pathway
c) alloplast pathway
d) vacuolar pathway
The movement of water through connected vacuoles by plasmodesmata is called……
a) appoplast pathway
b) symplast pathway
c) alloplast pathway
d) vacuolar pathway
How many important forces combine to
transport water solutions from the roots through xylem in the stem and into the
leaves?
a) two
b) three
c) four
d) five
Explanation: these are TACT forces i.e. transpiration, adhesion, cohesion and tension
Which of the following force involves the pulling of water up through the xylem of a plant utilizing the energy of evaporation and the tensile strength of water?
a) transpiration
b) adhesion
c) cohesion
d) tension
Which of the following force is the attractive force between water molecules and other substances which helps in water movement in plant?
a) transpiration
b) adhesion
c) cohesion
d) tension
