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CAIE A-Level Biology AS 1.1.5 Resolution and Magnification Questions

Relate resolution to magnification and choose microscopy methods that reveal structures at the required scale.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • Explain the relationship between magnification and resolution and select appropriate microscopy methods for resolving cell structures.

CAIE A-Level Biology AS 1.1.5 Resolution and Magnification Questions question 1

[Maximum number: 1]

Which statement explains why it is necessary to use an electron microscope to see the cristae of a mitochondrion?

A

The magnification of the electron microscope is greater than that of the light microscope.

B

The membranes of the cristae are separated by a distance greater than 200 nm .

C

The maximum resolution of a microscope using visible light is too low.

D

The wavelength of an electron beam is longer than the wavelength of visible light.

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