The cell wall of root hair is thin and _____.
semi permeable
freely permeable
impermeable
sometimes permeable
The cell wall of root hair is thin and freely permeable. It allows movement of water molecules and dissolved substances freely in and out of the cell.
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
(a) Tremendous surface area
(b) Contain cell sap at a higher concentration than the surrounding soil water
(c) Root hairs have thin cell walls
(d) Grow downward into the soil
In roots of plants, the root hairs are covered by a very thin ___.