Basic Cell Biology Quiz

What is the smallest unit of life according to the cell theory?

• Tissue

• Organ

• Cell

• Organism

Which of the following is NOT a basic function of life?

• Metabolism

• Photosynthesis

• Reproduction

• Excretion

What is the role of ribosomes in a cell?

• To store genetic material

• To translate specific genetic instructions

• To provide energy

• To transport nutrients

Which type of cell lacks a nucleus and the capacity to replicate?

• Striated muscle fibres

• Aseptate fungal hyphae

• Sieve tube elements

• Red blood cells

What separates the internal contents of a cell from the external environment?

• Cytosol

• Ribosomes

• Membrane

• Genetic material

What is the unit used to measure most cells according to the metric system?

• Metres

• Centimetres

• Micrometres

• Nanometres

Which type of microscopy views living specimens in natural color?

• Electron Microscopy

• Light Microscopy

• Cryogenic Electron Microscopy

• Immunofluorescence

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

• Views living specimens

• Uses lenses to bend light

• Higher resolution and magnification

• Views specimens in color

What does the mnemonic MIA stand for in microscopy calculations?

• Magnification = Image size ÷ Actual size

• Magnification = Actual size ÷ Image size

• Actual size = Image size ÷ Magnification

• Actual size = Magnification ÷ Image size

What process involves freezing biological specimens for electron microscopy?

• Immunofluorescence

• Light Microscopy

• Cryogenic Electron Microscopy

• Scanning Electron Microscopy