Transpiration
Transpiration: Overview
This topic covers concepts, such as, Uptake of Minerals Ions in Plants, Transpiration, Transpiration Stream, Water Potential Gradients, Measuring Transpiration Rates, Potometer & External Factors Affecting Transpiration etc.
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?
What do you understand by the process of transpiration? List at least five advantages of transpiration.
How does transpirational pull help in the absorption of water by the plants?
Name the morphological regions related to transpiration and guttation, respectively.
An outline sketch of a tree is shown in a diagram below. Study the name and answer questions that follows
Name and define the phenomenon labelled A in the diagram.
How would you justify the statement that transpiration contribute bringing rain?
How will the following conditions affect transpiration?
Still air
From the following list pick out the parts through which the water vapour of transpiration leaves the leaf and rearrange them in a proper manner.
Xylem Vessels, mesophyll cells, stoma, intercellular space and substomatal space.
Distinguish between the following pair
Transpiration and evaporation
Give a suitable explanation for the following
Some plants show wilting of their leaves at noon even when the soil is over watered.
