Water and Its Properties Quiz

What is the molecular formula of water?

• H2O2

• H2O

• HO2

• H3O

What type of bond is responsible for the cohesion of water molecules?

• Ionic bonds

• Metallic bonds

• Hydrogen bonds

• Covalent bonds

What is the role of water in maintaining temperature in cells?

• It acts as a temperature buffer

• It increases temperature rapidly

• It decreases temperature rapidly

• It has no effect on temperature

What charge does oxygen acquire in a water molecule due to polarity?

• Slightly positive (δ+)

• Neutral

• Slightly negative (δ-)

• Fully positive

What is the primary composition of the cytosol of a cell?

• Proteins

• Lipids

• Water

• Carbohydrates

What is the term used to describe water's ability to dissolve a large number of substances?

• Hydrophobic

• Hydrophilic

• Universal solvent

• Cohesive

What forms when the polar regions of a water molecule associate with molecular surfaces that have an opposing charge?

• Hydrophobic shells

• Hydration shells

• Cohesive bonds

• Ionic compounds

What is the role of water in metabolic reactions within cells?

• It acts as a transport medium

• It forms hydration shells

• It is a reagent and a product

• It creates surface tension

In vascular plants, how are dissolved nutrients transported?

• Blood plasma

• Hydration shells

• Xylem vessels

• Phloem

What property of water allows small insects to glide along its surface?

• Solvent properties

• Surface tension

• Hydrophobic interactions

• Thermal properties