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Class 12BiologyExtra In BiologyTools and Techique
Easy

Who invented the electron microscope?

  • A
    Knoll and Ruska
  • B
    Robert Brown
  • C
    Correns
  • D
    Janssen and Janssen
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Class 12 Questions

Class 12

Biology Questions

Chapter

Extra In Biology

Subtopic

Tools and Techique

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