Introduction to Cells and Microscopy Quiz

Who is credited with naming the cell after observing cork under a microscope?

• Louis Pasteur

• Anton van Leeuwenhoek

• Charles Darwin

• Robert Hooke

What is the maximum useful magnification for most light microscopes?

• 100 times

• 500 times

• 10,000 times

• 1,000 times

What is the main limitation of light microscopes in terms of resolution?

• The quality of the lens

• The wavelength of light

• The type of specimen

• The size of the specimen

What do electron microscopes use instead of light to illuminate specimens?

• Infrared light

• X-rays

• Ultraviolet light

• Electrons

Which type of electron microscope is used to view the surface details of a specimen?

• Compound microscope

• Fluorescence microscope

• Scanning electron microscope

• Transmission electron microscope

Why do cells need to remain small?

• To increase their surface area to volume ratio

• To fit into smaller spaces

• To decrease their energy consumption

• To avoid detection by predators

What is the primary function of the phospholipid bilayer in the plasma membrane?

• To provide structural support

• To store energy

• To regulate the flow of materials

• To produce proteins

What is a key difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells lack a true nucleus

• Eukaryotic cells are always smaller

• Eukaryotic cells lack organelles

• Prokaryotic cells have a nucleus

Which organelle is found only in plant cells and not in animal cells?

• Mitochondria

• Chloroplast

• Ribosome

• Nucleus

What is the function of ribosomes in cells?

• To generate energy

• To store genetic information

• To transport materials

• To produce proteins