Answer :
When a cell from solution b is placed in solution a, water will enter inside the cell and it will swell up.
There are three kinds of solutions- isotonic, hypotonic, and hypertonic solutions.
When a solution has the same osmotic concentration as the cell, it is known as an isotonic solution. If a cell is placed in such a solution, water neither enters the cell nor exits from it and the cell remains the same in size.
When a solution’s osmotic concentration is more than a cell's, it is known as a hypertonic solution.
When a cell is placed in such a solution it loses water and shrinks.
When a solution’s osmotic concentration is less than a cell's, it is known as a hypotonic solution.
When a cell is placed in such a solution, water enters inside it and the cell swells up.
In the given situation, solution a is hypotonic with respect to solution b.
So, if a cell from solution b is placed in solution a, water will enter the cell and it will swell up.
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