Gas Exchange and Transpiration
Gas Exchange and Transpiration: Overview
This Topic covers sub-topics such as Transpiration, Potometer, Factors Affecting Rate of Transpiration, Gaseous Exchange through Stomata, Makarieva and Gorshkov Hypothesis and, Water Evaporation in Forest
Important Questions on Gas Exchange and Transpiration
How many factors affect the rate of transpiration?
The loss of water from the surface of plants through evaporation is called translocation.
The biotic pump hypothesis is related to which of the following biogeochemical cycle?
Barometer is used to measure the process of transpiration.
Transpiration takes place in the roots of the plants.
What are the tiny pores located on the surface of leaves of a plant through which exchange of gases occurs called?
What are minute openings present over the leaf surface called?
The below diagram shows a leaf from a flowering plant. Which of the following statements are true regarding the given diagram?
Name the apparatus shown in the below diagram. (Answer in a single word)
Loss of water from the leaves keeps the plants cool. Similarly, an earthen pot makes a water cooler. Give reason.
Transpiration mostly occurs during the daytime. Give a reason.
The uptake of minerals and water is affected when there is less transpiration. Why?
Transpiration is a 'necessary evil'. Justify the statement.
What is transpiration? Discuss different ways of transpiration with its significance.
About 90% of water loss during transpiration takes place through
Transpiration is the process of
The loss of water in the form of water vapour from leaves is called:
Stomata are small holes in leaves.
Leaves take in carbon dioxide from stomata.
What gas do plant leaves use in air?
