Answer :
The microscope that would allow the best visualization of an unstained, unpigmented sample of a living microorganism is the Phase-contrast microscopes.
What is Phase-contrast microscopy?
Phase-contrast microscopy is the type of microscopy that is used in visualisation of a specimen that is transparent or not stained.
The main functions of the Phase-contrast microscopy include the following:
- It is used to enhance the contrast of images of transparent and colourless specimens.
- It enables visualisation of cells and cell components that would be difficult to see using normal microscopy.
An unstained sample of a microorganism is in its natural state and this microscope helps in its visualization.
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