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Who coined the term protoplasm?
1. Robert Brown
2. Robert Hook
3. Rudolf Virchow
4. Purkinji

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Correct Answer - Option 4 : Purkinji

The correct answer is Purkinje.

  • Purkinje
    • Protoplasm is a term given by Purkinje in 1839.
    • He is best known for his 1837 discovery of Purkinje cells, large neurons with many branching dendrites found in the cerebellum.
  • Protoplasm
    • The protoplasm is the cell's living content.
    • It is composed primarily of biomolecules such as nucleic acid, proteins, lipids, and carbohydrates.
    • It also has inorganic salts and water molecules.
    • The protoplasm is surrounded by the cell membrane.


  • Robert Brown
    • Robert Brown discovered the Nucleus in 1831.
    • The nucleus is called as brain of the cell.
    • He developed the idea of Brownian motion which explained the random movement of minute particles in a fluid.
  • Robert Hooke
    • Cells were first discovered by Robert Hooke in 1665.
    • He observed the cells in a cork slice with the help of a primitive microscope.
    • He observed that the cells in the cork were actually dead cells.
    • Leeuwenhoek firstly observed living cells in pond water in 1674 with the help of an improved microscope.
  • Rudolf Virchow
    • He is known as the Father of Modern Pathology.
    • His most widely known scientific contribution is his cell theory which is built on the work of Theodor Schwan.

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