Basic Functions and Structures of Life Quiz

Which of the following is a basic function of life that involves maintaining a stable internal environment?

• Metabolism

• Homeostasis

• Reproduction

• Sensitivity

According to cell theory, what is the smallest unit of life?

• Organ

• Tissue

• Cell

• Molecule

What is the role of ribosomes in a cell?

• To store genetic material

• To translate specific genetic instructions

• To separate internal contents from the external environment

• To provide energy for cellular processes

Which type of cell is formed from the fusion of individual muscle cells and is multinucleated?

• Red blood cells

• Striated muscle fibres

• Aseptate fungal hyphae

• Sieve tube elements

What is the internal fluid called that is found within cells?

• Plasma

• Cytosol

• Lymph

• Serum

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

• Metres

• Centimetres

• Micrometres

• Nanometres

Which type of microscopy uses lenses to bend light and 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 natural color

What does the mnemonic MIA stand for in microscopy calculations?

• Magnification = Actual size ÷ Image size

• Magnification = Image size ÷ Actual size

• Actual size = Image size ÷ Magnification

• Actual size = Magnification ÷ Image size

What technique involves freezing biological specimens for electron microscopy?

• Immunofluorescence

• Light Microscopy

• Cryogenic Electron Microscopy

• Scanning Electron Microscopy