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General Science


1. What is the process by which a solid changes directly to a gas without passing through the liquid phase?

Melting

Condensation

Sublimation

Evaporation


2. What is the process by which a gas changes directly to a solid without passing through the liquid phase?

Freezing

Condensation

Sublimation

Deposition


3. Which of the following is a type of chemical reaction that involves the splitting of a larger molecule into smaller molecules?

Hydrolysis

Condensation

Combustion

Oxidation


4. Which of the following is a type of renewable energy?

Coal

Natural gas

Nuclear

Wind


5. Which of the following is the largest organ in the human body?

Liver

Brain

Skin

Heart


6. What is the basic unit of heredity?

Protein

Gene

Chromosome

Enzyme


7. Which of the following is the process by which DNA makes a copy of itself?

Transcription

Translation

Replication

Transformation


8. Which of the following is the process by which organisms break down food to release energy?

Photosynthesis

Respiration

Fermentation

Digestion


9. Which of the following is NOT a component of the cell membrane?

Phospholipids

Proteins

Carbohydrates

Nucleic acids


10. Which of the following is a type of renewable energy?

Coal

Oil

Solar

Natural gas