Transpiration
Transpiration: Overview
This Topic covers sub-topics such as Transpiration, Potometer, Transpiration Stream, External Factors Affecting Transpiration, Measuring Transpiration Rates, Uptake of Minerals Ions in Plants and, Water Potential Gradients
Important Questions on Transpiration
The water uptake during which of the following process can be measured with the help of potometer?
The rate of water uptake during transpiration can be measured with the help of potometer.
Water moves from soil to root, from root to leaf, and from leaf to air down a gradient of water potential.
What is the significance of the transcription stream?
Write a short note on transcription stream?
Which of the following statements is correct?
A piece of apparatus used for measuring the rate at which a plant shoot takes up water is called Potometer or Osmometer.
When starch is converted to glucose in guard cells, does their water potential increase or decrease?
Distinguish between the following pair
Transpiration and evaporation
Describe the factors affecting transpiration.
Describe an external factor affecting transpiration.
Inorganic nutrients are found in the soil in the form of
Give suitable explanations for the following :
More transpiration occurs from the lower surface of a dorsiventral leaf.
Figure represents the vertical section of a leaf.
Name the structure shown in the leaf section.
Distinguish between :
Transpiration and perspiration.
The diagram represents a certain physiological process in plants.
Why is the pot covered with a polythene bag?
The diagram represents a certain physiological process in plants.
Name the process.
List three advantages of transpiration.