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Absorption by roots - The Processes Involved — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyAbsorption by roots - The Processes Involved1 Mark
MCQ
Process of endosmosis stops:
  • A
    When the water concentrations become equal
  • ✓
    When the solutions become isotonic
  • C
    When the leaves fall
  • D
    When there is no light
✓

Answer

Correct option: B.
When the solutions become isotonic
(b) When the solutions become isotonic
Explanation:
Endosmosis (movement of water into a cell) stops when the internal and external solutions reach isotonic conditions, meaning they have equal concentrations of solutes, so there is no net movement of water.

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