Q6 / 164 · NTA Abhyas (NEET) 2020 · Botany · Transport in Plants

A leaf peeling of Tradescantia is kept in a medium having 10% NaCl. After a few minutes, if we observe the leaf peel under the microscope, we are likely to see

  • A
    Entry of water into the cell
  • B
    The cells bursting out
  • C
    Diffusion of NaCl into the cell
  • Correct answer
    D
    Exit of water from the cell

Solution

When a leaf peeling of Tradescantia is kept in a medium having 10% NaCl solution, the cells shrink in size, this is followed by separation of protoplast from cell wall due to exosmosis. This phenomenon is called plasmolysis.

Hence, the correct answer is option: 'D'.

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