Single Choice

Many freshwater organisms cannot live for long in seawater because the surrounding water will be ______ to body cells and ______ may occur.

AHyper tonic, Exosmosis
Correct Answer
BHyper tonic, Endosmosis
CHypo tonic, Exosmosis
DHypo tonic, Endosmosis

Solution

In the sea water , the surrounding water is salty and hence hypertonic to the body cells, Thus, water will move from its higher concentration to ts lower concentration leading to exosmosis. Therefore, many fresh-water animals cannot live for long in sea water and vice versa.

SIMILAR QUESTIONS

Cells - The Unit of Life

Which of the following occupies the space between the cell wall and the shrunken protoplast in a plasmolysed cell?

Cells - The Unit of Life

When a plant cell is placed in a hypertonic solution it becomes plasmolysed. What shall be present between cell wall and plasmalemma at this stage?

Cells - The Unit of Life

Water potential of a cell, when it is placed in hypertonic solution

Cells - The Unit of Life

If a cell shrinks when placed in a solution, this solution is

Cells - The Unit of Life

To initiate cell plasmolysis, the salt concentration outside the cell must be

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