Question

34. Assertion (A): De-shelled eggs swell upin hypotonic solution. Reason (R): An egg is rich in protein.​

Answer 1

Answer:

Explanation:

The concentration of in the glucose solution is higher than the concentration inside the cells of the egg. This means that glucose is a hypotonic solution.

There are three types of solutions on the basis of its concentration.

1. Hypotonic solution

Concentration of water inside the cell is less than concentration of water outside the cell.

Result in net water gain.( In a cell)

Cell swells.

2. Hypertonic solution

Concentration of water inside the cell is more than concentration of water outside the cell.

Results in net water loss.(in a cell)

Cell shrinks

3. Isotonic solution

Concentration of water inside the cell is equal to the concentration of water outside the cell.

There is neither loss or gain of water.

Cell size remains same.

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Answer 2

Answer:

Both the given assertion and reason are true but the reason is not the correct required explanation for the assertion.

Explanation:

The assertion given here is true. Whenever we put any de-shelled egg in a dilute solution i.e in hypotonic solution which is the solution that contains more amount of water than inside the egg, the concentration gradient is said to be set up and the water by the process of the osmosis moves inside the egg cell and therefore it then results in its enlarging or swelling. This is also referred to as endosmosis.

The egg is very much rich in protein especially the yolk sack. But this is not the reason that is required for the above-said assertion.