Question

What is osmosis? Explain isotonic and hypotonic solutions?​

Answer 1

Answer:

Osmosis:-

Osmosis is a process in which water moves towards the sugar solution.(In Greek Osmos meaning pushing). It occurs due to presence of tiny water channels in the plasma membrane.

Isotonic Solutions:-

A solution that has the same salt concentration as cells and blood. Isotonic solutions are commonly used as intravenously infused fluids in hospitalized patients.

Hypotonic Solutions:-

A hypertonic solution contains a higher concentration of solutes compared to another solution. The opposite solution with a lower concentration is known as the hypotonic solution. If a cell is placed in a hypertonic solution, the cell is considered hypotonic.

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Answer 2

Explanation:

• Osmosis is the process of movement of water from its high concentration to it's low concentration through semi-permeable membrane.
• If the medium surrounding the cell has higher water concentration than in cell, cell will gain water by osmosis.Such dilute solution is called hypotonic solution.
• If the medium surrounding the cell is exactly the same water concentration as inside the cell, there will no net movement of water across membrane resulting into change in size of cell.Such solution is called Isotonic solution.