Ib Biology Water

When water molecules are near each other, what forms between them?

• nothing

• a tiny rope

• Attractive forces

• Hydrogen Bonds

Which substance is more likely to dissolve in water?

• Hydrophillic

• Hydrophobic

Which can be explained by the solvent properties of water?

• NaCl is transported as Na+ and Cl- in blood

• Ice floats on liquid water

• Water is the coolant in sweat

Compared to water, methane has a lower ________________

• Specific Heat

• Heat of Vaporization

• Melting Point

• Boiling Point

Because water is polar, it makes an effective

• Solute

• Solvent

Which property of water allows plants to transport water?

• Cohesion

• Adhesion

• Thermal

• Solvent

Tags

NGSS.MS-ESS2-4

Blood is a water-based transport medium. Which property of water makes it a good transport medium?

• High specific heat

• Transparency

• Versatility as a solvent

• High boiling and melting point

Which statement is true?

• Water is useful medium for metabolic reactions as many substances dissolve in water

• Water molecules are cohesive which helps water transport in the roots and stems of plants

• None of them

• Both of them

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Compared to water, methane is

• Polar

• Non-Polar

Which property of water would allow bugs to float on water?

• Cohesion

• Adhesion

• Thermal

• Solvent