Edexcel IAL Microscopy Quiz

What is an advantage of staining in microscopy?

• Decreases contrast in the image

• Makes it harder to see organelles

• Decreases resolution

• Increases contrast and resolution

What is the main disadvantage of the optical microscope compared to electron microscopes?

• Highest resolution

• Highest magnification

• Lowest resolution

• Forms 3D images

What is the degree to which it is possible to distinguish between two points that are close together called?

• Magnification

• Image size

• Resolution

• Actual size

What is the degree to which an image of an object is larger than the object itself?

• Image size

• Magnification

• Actual size

• Resolution

Which type of electron microscope passes electrons through a thin specimen to create an image?

• Scanning electron microscope (SEM)

• Transmission electron microscope (TEM)

• Light microscope

• Optical microscope

What type of microscope scans a beam of electrons across the sample to form an image?

• Optical microscope

• Scanning electron microscope (SEM)

• Transmission electron microscope (TEM)

• Light microscope