Microscopy and Biology Quiz

Who was the first person to observe bacteria using a microscope?

• Louis Pasteur

• Robert Hooke

• Gregor Mendel

• Antonie van Leeuwenhoek

What is the main function of a light microscope?

• To identify unknown molecules

• To separate chemical compounds

• To observe living cells

• To capture detailed images of atoms

What is the main advantage of electron microscopes over light microscopes?

• They can capture more detailed images

• They can identify unknown molecules

• They can observe living cells

• They can separate chemical compounds

What is the purpose of cryo-electron microscopy?

• To capture detailed images of atoms

• To observe living cells

• To freeze samples for detailed imaging

• To identify unknown molecules

What is the role of the ocular lens in a light microscope?

• To adjust the lighting

• To lower the stage

• To magnify the image

• To focus the specimen

What is the function of the fine adjustment knob in a light microscope?

• To lower the stage

• To focus the specimen

• To magnify the image

• To adjust the lighting

What is the main advantage of scanning probe microscopes?

• They can identify unknown molecules

• They can capture extremely detailed images

• They can observe living cells

• They use light to capture images

What is the purpose of labeling molecules with special dyes in microscopy?

• To capture detailed images of atoms

• To observe living cells

• To enhance contrast in images

• To freeze samples for detailed imaging

What is the main benefit of being able to visualize molecules and cells in new ways?

• To understand the inner workings of cells

• To observe living cells

• To separate chemical compounds

• To understand the arrangement of atoms in molecules

What is the significance of microscopes in the field of biology?

• They have opened new windows on the tiny world around us

• They have become less accessible over time

• They have not contributed to any new discoveries

• They are no longer used by scientists