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The Fundamental Unit of Life — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
Plasmolysis in a plant cell is defined as:
  • A
    Break down (lysis) of plasma membrane in hypotonic medium.
  • B
    Shrinkage of cytoplasm in hypertonic medium.
  • C
    Shrinkage of nucleoplasm.
  • D
    None of the above.
✓

Answer

  1. Shrinkage of cytoplasm in hypertonic medium.

Explanation:

When a cell is kept in hypertonic solution, it results in exosmosis. Most of the fluid goes out of the cell; resulting in shrinkage of cytoplasm.

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