Plant Water Relations Quiz

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What is the purpose of understanding plant water relations?

To understand the water requirements of different plants (correct)

To study the water potential of pure water

To study the dissolution of substances in plants

To measure the kinetic energy of water molecules

What is the relationship between the concentration of water in a system and its water potential?

The greater the concentration of water, the higher the water potential (correct)

The concentration of water has no effect on water potential

Water potential is independent of the concentration of water

The greater the concentration of water, the lower the water potential

What happens when a solute is added to pure water?

The water potential becomes zero

The water potential decreases (correct)

The water potential increases

The water potential remains the same

What is the value of water potential of pure water at standard temperature?

Zero Signup and view all the answers

What happens when water enters a plant cell by diffusion and exerts a pressure on the walls of the cell?

The cell becomes turgid Signup and view all the answers

What is the relationship between water potential, solute potential, and pressure potential?

Water potential is equal to the sum of solute potential and pressure potential Signup and view all the answers

What is osmosis?

The movement of water across a semi-permeable membrane from a region of higher concentration to a region of lower concentration Signup and view all the answers

What is endosmosis?

The inward diffusion of water through a semipermeable membrane when the surrounding solution is less concentrated Signup and view all the answers

What is exosmosis?

The outward diffusion of water through a semipermeable membrane when the surrounding solution is more concentrated Signup and view all the answers

What is plasmolysis?

The process of water moving out of a cell and the cell membrane shrinking away from the cell wall Signup and view all the answers

What happens when a cell is placed in an isotonic solution?

No net movement of water occurs Signup and view all the answers

What is turgor pressure?

The pressure exerted on a cell wall due to water moving into the cell Signup and view all the answers

Plant Water Relations Quiz

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Questions and Answers

What is the purpose of understanding plant water relations?

What is the relationship between the concentration of water in a system and its water potential?

What happens when a solute is added to pure water?

What is the value of water potential of pure water at standard temperature?

What happens when water enters a plant cell by diffusion and exerts a pressure on the walls of the cell?

What is the relationship between water potential, solute potential, and pressure potential?

What is osmosis?

What is endosmosis?

What is exosmosis?

What is plasmolysis?

What happens when a cell is placed in an isotonic solution?

What is turgor pressure?

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