Properties and Functions of Water

What is the shape of a water molecule?

• Linear

• Tetrahedral

• V-shaped

• Octahedral

What is the term used to describe the ability of an atom to attract electrons to orbit around it?

• Electronegativity

• Ionization energy

• Atomic radius

• Electron affinity

What is the term used to describe a molecule that has slightly positive and slightly negative regions?

• Nonpolar

• Ionic

• Polar

• Covalent

What type of bond is formed between the Delta negative oxygen and the Delta positive hydrogen of different water molecules?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Polar bond

What is the main component of blood and plasma in animals?

• Glucose

• Sucrose

• Water

• Enzymes

What is the term used to describe the movement of water up the xylem in plants?

• Transpiration

• Photosynthesis

• Respiration

• Absorption

What characteristic of water enables it to dissolve ionic substances like salt?

• Viscosity

• Surface tension

• Solvent property

• Density

What function of water helps in regulating body temperature by evaporating sweat?

• Transport medium

• Chemical reaction medium

• High latent heat of vaporisation

• High specific heat capacity

What is the term used to describe the bonds formed between water molecules that allow them to stick together?

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

• Polar bonds

What is the term used to describe the process by which water molecules move from an area of high concentration to an area of low concentration?

• Osmosis

• Diffusion

• Transpiration

• Respiration