Microscopy (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Who observed the first cells of cork in 1665 using a light microscope?
Who observed the first cells of cork in 1665 using a light microscope?
Robert Hooke
What is the maximum magnification of a light microscope?
What is the maximum magnification of a light microscope?
×2000
What is the resolving power of a light microscope?
What is the resolving power of a light microscope?
200nm
Which two lenses does a light microscope have?
Which two lenses does a light microscope have?
Objective lens and eyepiece lens
What can light microscopes be used to view?
What can light microscopes be used to view?
Tissues, cells, large sub-cellular structures
When were electron microscopes developed?
When were electron microscopes developed?
1930s
Which sub-cellular structures can electron microscopes view?
Which sub-cellular structures can electron microscopes view?
Mitochondria, ribosomes, plasmids
What type of images does a scanning electron microscope (SEM) create?
What type of images does a scanning electron microscope (SEM) create?
3D images
What is the maximum magnification of electron microscopes?
What is the maximum magnification of electron microscopes?
×2,000,000
What is the resolving power of a transmission electron microscope (TEM)?
What is the resolving power of a transmission electron microscope (TEM)?
0.2nm
How is the magnification of a light microscope calculated?
How is the magnification of a light microscope calculated?
Eyepiece magnification × objective lens magnification
What is the value of ?
What is the value of ?
3400