Question

The following paragraph is related to absorption of water from the soil. 

Copy and complete the following paragraph by selecting the correct word from those given in the box. You may use the term only once. 

Exosmosis, Hypertonic, Osmosis, Isotonic, Hypotonic, Cortical, Endosmosis 

Water enters the root hair from the soil by the process of ……… .This is because the solution in the soil is ……… whereas the cell sap in the root hair cell is ……… . The water then passes through the cells by cell to cell ………. and reaches the xylem of the root.

Answer 1

Water enters the root hair from the soil by the process of Endosmosis. This is because the solution in the soil is hypotonic whereas the cell sap in the root hair cell is hypertonic. The water then passes through the cortical cells by cell to cell osmosis and reaches the xylem of the root.