30 Questions
Which of the following is an example of water potential component?
Pressure potential
Pure water has a higher water potential than which solution?
0.1 M sucrose solution
Which solution has a lower water potential?
0.1 M sucrose solution
In which direction does water move between two solutions with different water potentials?
From hypotonic to hypertonic solution
Under what conditions would soil solution move into the root cells?
When the soil solution has more solutes
Which solution is hypotonic in relation to the other solution?
Solution A
What is the principle that determines the direction of water flow?
Water moves from high water potential to lower water potential
Which principle is being applied in the study of water uptake along a pumpkin root?
Principle of water movement
What is the purpose of the study on the tissue organization in roots?
To understand the pathways for water uptake by roots
How can water cross plant membranes?
By diffusion
What is the main factor contributing to potential water stress in plants?
Soil water deficit
What is the response of young cotton plants to water stress?
Increased abscission
What is the effect of water stress on photosynthesis and leaf expansion in sunflower?
Decreased photosynthesis
Which plant hormone is compared in the growth study of normal vs. ABA-deficient maize plants?
Abscisic acid
Under what conditions is the water potential of plants measured?
Under various growing conditions
Which of the following is a pathway for water uptake by the root?
Diffusion
Which factor contributes to potential water stress in plants?
Soil water deficit
What is the purpose of studying the tissue organization in roots?
To understand water movement
What is the response of young cotton plants to water stress?
Abscission
What is the effect of water stress on photosynthesis and leaf expansion in sunflower?
Decreased photosynthesis and leaf expansion
What is the main factor that determines the direction of water flow?
Water potential
Which plant hormone is compared in the growth study of normal vs. ABA-deficient maize plants?
ABA
Which solution has a lower water potential?
Soil water deficit
Which component of water potential is responsible for the turgor pressure in a turgid cell without sign of plasmolysis?
Pressure potential
Which solution has a higher water potential when compared to a 0.1 M sucrose solution?
Pure water
Which solution would be considered hypotonic in relation to the other solution when separated by a membrane?
Solution A with more water and less solutes
Which solution has a lower water potential when compared to the other solution when separated by a membrane?
Solution B with less free water and more solutes
Which direction does water move between two solutions with different water potentials?
From hypotonic to hypertonic solution
Under what conditions would soil solution move into the root cells?
When the soil solution has more solutes
What is the principle that determines the direction of water flow?
Water potential gradient
Test your knowledge on water uptake and response to water stress in plants with this quiz. Explore key concepts such as water potential and its components, including pressure potential and solute potential. Learn about the water balance of plants and discover examples that illustrate the concept of water potential.
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