Water Potential and Absorption Quiz

What is the term used to measure water's potential to do work?

• Water energy

• Water potential

• Water capacity

• Water pressure

What is the water potential of pure water at normal temperature and pressure?

• Negative one

• Positive one

• One

• Zero

Which of the following components is NOT part of water potential?

• Matrix potential

• Pressure potential

• Solute potential

• Temperature potential

What does the equation Ψw = Ψs + Ψp represent?

• Water absorption

• Water potential

• Water evaporation

• Water diffusion

What type of absorption occurs when root cells actively use metabolic energy?

• Non-osmotic absorption

• Osmotic absorption

• Passive absorption

• Active absorption

What is the primary pathway for water movement through cell walls and intercellular spaces?

• Symplastic pathway

• Transmembrane pathway

• Apoplastic pathway

• Hydrophobic pathway

What is root pressure primarily caused by?

• Osmosis

• Transpiration

• Photosynthesis

• Evaporation

What is guttation?

• Loss of water vapor

• Loss of water in liquid form

• Absorption of water

• Transpiration of water

Which structures release water during guttation?

• Root hairs

• Hydathodes

• Xylem vessels

• Stomata

What type of pressure is developed in the xylem due to root pressure?

• Capillary pressure

• Osmotic pressure

• Hydrostatic pressure

• Turgor pressure