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Root pressure occurs when there is
capillary action
The humidity increases
The oxygen end is slightly negative and the hydrogen end is slightly positive
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
Less transpiration and more absorption
Water exhibits cohesive behaviour
In the centre of the root
Increase
Water striders can walk across the surface of calm water. Their feet push the surface of the water down slightly, but they do not break the surface. Why?
capillary action
The humidity increases
The oxygen end is slightly negative and the hydrogen end is slightly positive
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
Less transpiration and more absorption
Water exhibits cohesive behaviour
In the centre of the root
Increase
Plant roots are able to absorb water because of ....?
capillary action
The humidity increases
The oxygen end is slightly negative and the hydrogen end is slightly positive
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
Less transpiration and more absorption
Water exhibits cohesive behaviour
In the centre of the root
Increase
How are the xylem and phloem arranged in plant roots?
capillary action
The humidity increases
The oxygen end is slightly negative and the hydrogen end is slightly positive
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
Less transpiration and more absorption
Water exhibits cohesive behaviour
In the centre of the root
Increase
Why can water have no net charge but have slight charges in different parts of the molecule?
capillary action
The humidity increases
The oxygen end is slightly negative and the hydrogen end is slightly positive
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
Less transpiration and more absorption
Water exhibits cohesive behaviour
In the centre of the root
Increase
Which of the following properties of water enables it to move from the roots to the leaves of plants?
capillary action
The humidity increases
The oxygen end is slightly negative and the hydrogen end is slightly positive
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
Less transpiration and more absorption
Water exhibits cohesive behaviour
In the centre of the root
Increase
The rate of transpiration will _________ if the atmospheric pressure is low.
capillary action
The humidity increases
The oxygen end is slightly negative and the hydrogen end is slightly positive
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
Less transpiration and more absorption
Water exhibits cohesive behaviour
In the centre of the root
Increase
Why does water loss slow down if a plant is put into a plastic bag?
capillary action
The humidity increases
The oxygen end is slightly negative and the hydrogen end is slightly positive
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
Less transpiration and more absorption
Water exhibits cohesive behaviour
In the centre of the root
Increase
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