MCQ on Phase Contrast Microscope and its Applications







A phase-contrast microscope is an optical instrument used in microscopy to enhance the contrast of transparent and translucent specimens, such as living cells, that are difficult to visualize using traditional bright-field microscopy. It accomplishes this by exploiting the differences in phase between light waves passing through different parts of the specimen, producing detailed and high-contrast images. This post is on Phase Contrast Microscopy MCQ with answer key.

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Learn more: Notes on Working Principles of Phase Contrast Microscopy

1. 
Phase contrast microscopy is a technique used to visualize transparent and unstained specimens. It is particularly useful for observing:

2. 
Who invented the phase contrast microscopy?

3. 
Phase contrast microscopy converts differences in refractive index into variations in:

4. 
Which part of the microscope is responsible for creating the phase shift in phase contrast microscopy?

5. 
In phase contrast microscopy, the phase ring in the condenser creates a phase shift of:

6. 
The phase contrast objective has a phase plate that converts the phase shifts into:

7. 
In phase contrast microscopy, the regions that are out of phase appear darker or lighter compared to the background, depending on the:

8. 
The phase contrast microscopy is especially valuable for observing cellular components such as:

9. 
Phase contrast microscopy is commonly used in which field of study?

10. 
Which microscope component can be adjusted to control the phase contrast effect in the image?

11. 
Compared to brightfield microscopy, phase contrast microscopy allows for enhanced visualization of which cellular structures?

12. 
In phase contrast microscopy, dark regions represent areas where light waves are:

13. 
Phase contrast microscopy is well-suited for observing dynamic processes in living cells because it requires:

14. 
In phase contrast microscopy, the appearance of the image can be adjusted by varying the:

15. 
Phase contrast microscopy is particularly valuable for studying:

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