Question : Water from the soil enters into the root hairs owing to:
Option 1: atmospheric pressure
Option 2: capillary pressure
Option 3: root pressure
Option 4: osmotic pressure
Correct Answer: osmotic pressure
Solution : The correct option is osmotic pressure .
Plants root hairs get water from the soil through a process known as "osmosis." The pressure applied through this process is the osmotic pressure. Osmosis is the process by which water molecules pass across a semi-permeable membrane from an area of lower solute concentration to an area of greater solute concentration.
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