Question:
The process by which water from the interface of cell wall and plasma membrane enters into the cytoplasm of root hair cell is ___________.
The process by which water from the interface of cell wall and plasma membrane enters into the cytoplasm of root hair cell is ___________.
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Water crossing the selectively permeable plasma membrane into the cell sap is osmosis.
Updated On: Nov 12, 2026
- osmosis
- diffusion
- imbibition
- ion-exchange
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
Water first enters the hydrophilic cell wall of the root hair by imbibition, and the wall is fully permeable.
Step 2: Entry into the cytoplasm
To go from the cell wall and membrane interface into the cytoplasm, water must cross the selectively permeable plasma membrane.
This movement down the DPD gradient into the more concentrated cell sap is osmosis.
Step 3: Conclusion
So the step in question is osmosis.
Final Answer:
The step is osmosis, option (A). \[ \boxed{\text{(A) }\text{osmosis}} \]
Water first enters the hydrophilic cell wall of the root hair by imbibition, and the wall is fully permeable.
Step 2: Entry into the cytoplasm
To go from the cell wall and membrane interface into the cytoplasm, water must cross the selectively permeable plasma membrane.
This movement down the DPD gradient into the more concentrated cell sap is osmosis.
Step 3: Conclusion
So the step in question is osmosis.
Final Answer:
The step is osmosis, option (A). \[ \boxed{\text{(A) }\text{osmosis}} \]
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