Exploring Light and Electron Microscopes

What branch of biology deals with microscope design and slide preparation?

• Cytology

• Botany

• Zoology

• Genetics

What is the source of radiation in a light microscope?

• Electrons

• Gamma rays

• Light

• X-rays

Which structures can be seen using a light microscope?

• Mitochondria

• Endoplasmic reticulum

• Nucleus

• Golgi apparatus

What advancement allowed us to see more detailed structures within cells?

• X-ray machines

• Electron microscopes

• Light microscopes

• Ultrasound

What is the maximum resolution limit of light microscopes?

• 100nm

• 200nm

• 300nm

• 400nm

What charge do electrons carry?

• Neutral

• Positive

• Negative

• Variable

Why are electrons suitable for use in microscopes?

• They have a long wavelength

• They are neutral

• They are positively charged

• They can be focused using electromagnets

In a Transmission Electron Microscope (TEM), what happens to the electron beam?

• It is scattered by the specimen

• It is reflected off the surface

• It is absorbed by the specimen

• It passes through the specimen

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What is observed in a Scanning Electron Microscope (SEM)?

• Scattered electrons

• Absorbed electrons

• Reflected electron beam

• Transmitted electrons

Which type of electron microscope is best for viewing surface structures in detail?

• Fluorescence Microscope

• Light Microscope

• Transmission Electron Microscope (TEM)

• Scanning Electron Microscope (SEM)