Science Quiz for College Students

What is the main function of ribosomes in a cell?

• Replicating DNA

• Transporting proteins

• Synthesizing proteins

• Producing energy through cellular respiration

Which of the following is a property of a base?

• A. It turns red litmus paper blue

• B. It reacts with water to form a hydrogen ion

• C. It is sour to taste

• D. It turns blue litmus paper red

What is the unit of measure for frequency?

• A. Hertz (Hz)

• B. Newton (N)

• C. Joule (J)

• D. Pascal (Pa)

What kind of reaction is the process of photosynthesis?

• A. Exothermic

• B. Endothermic

• C. Isothermic

• D. Neutral

Which type of electromagnetic radiation has the shortest wavelength?

• A. Radio waves

• B. Ultraviolet light

• C. X-rays

• D. Gamma rays

Which of the following is an example of a covalent bond?

• A. Sodium and chlorine forming sodium chloride

• B. Two hydrogen atoms sharing electrons in a hydrogen molecule

• C. Potassium and bromine forming potassium bromide

• D. Calcium and fluorine forming calcium fluoride

What is the name of the device used to measure atmospheric pressure?

• A. Thermometer

• B. Anemometer

• C. Barometer

• D. Hygrometer

What is the most abundant gas in the Earth's atmosphere?

• A. Oxygen

• B. Nitrogen

• C. Carbon dioxide

• D. Helium

Which of the following best describes the scientific method?

• A. A rigid set of steps to follow for any experiment

• B. An iterative process of observation, hypothesis, experiment, and conclusion

• C. A process of repeating experiments until a desired outcome is achieved

• D. A one-time experiment followed by a theory

Which of the following is a renewable energy source?

• A. Natural gas

• B. Coal

• C. Nuclear

• D. Solar