Question

19. (a) Plasma membrane is permeable to water. How does a cell show endosmosis or
exosmosis?​

Answer 1

Answer:

Exosmosis is the passage of water through a cell membrane (semipermeable) toward a surrounding medium of lower concentration. Therefore a cell will display endosmosis when it shrinks by losing water when placed in a water or display exosmosis when it swells up or enlargens when placed in a water.

Explanation:

Answer 2

Answer:

Water passes through the plasma membrane both inwardly as well as outwardly. Net movement occurs along its concentration gradient, from the side of pure water or dilute solution will show endosmosis because the external solution has higher concentration of water. A cell placed in hypertonic will show exosmosis because cell slap has higher concentration of water.

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