Properties of Water and Carbohydrates

What is the molecular formula of water?

• H2O2

• H2O

• HO2

• H3O

What property of water allows it to form hydrogen bonds with other water molecules?

• Transparency

• Dipolarity

• Expansion

• Hydrophobicity

Which property of water allows it to dissolve a large number of substances?

• Thermal property

• Cohesive property

• Universal solvent

• Expansion property

What is the term for substances that can dissolve in water?

• Hydrophobic

• Hydrophilic

• Transparent

• Adhesive

What is the specific heat capacity of water?

• Energy required to raise temperature of 1g by 1°C

• Energy required to raise temperature of 1g by 10°C

• Energy required to raise temperature of 10g by 1°C

• Energy required to raise temperature of 1kg by 1°C

What happens to water when it freezes?

• It becomes more dense

• It becomes less dense

• It becomes hydrophobic

• It becomes opaque

What is metabolism?

• The breakdown of complex molecules into simpler ones

• The totality of chemical processes within a living organism

• The synthesis of complex molecules from simpler ones

• The process of photosynthesis

Which of the following is NOT a biomacromolecule?

• Carbohydrates

• Lipids

• Proteins

• Vitamins

What is an example of an anabolic reaction?

• Cellular respiration

• Photosynthesis

• Hydrolysis

• Oxidation

What type of reaction involves the breakdown of complex molecules into simpler ones?

• Anabolism

• Catabolism

• Condensation

• Photosynthesis