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Model Paper 1 — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceModel Paper 11 Mark
MCQ
Plasmolysis in a plant cell is defined as
  • A
    shrinkage of nucleoplasm
  • ✓
    shrinkage of cytoplasm in hypertonic medium
  • C
    break down (lysis) of plasma membrane in hypotonic medium
  • D
    shrinkage of nucleolus
✓

Answer

Correct option: B.
shrinkage of cytoplasm in hypertonic medium
(b) shrinkage of cytoplasm in hypertonic medium
Explanation: Plasmolysis is mainly known as shrinking of cell membrane in hypertonic solution and great pressure.

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