Advertisements
Advertisements
Question
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of putting oil in the test tube?
Solution
Oil is put on the surface of water to prevent loss of water by evaporation.
APPEARS IN
RELATED QUESTIONS
What are stomata?
Briefly explain, how transpiration helps in upward conduction of water in plants?
Give suitable explanation for the following:
On a bright sunny day, the leaves of certain plants roll up.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Moist cobalt chloride paper is blue in colour.
What type of transpiration is possible in the xerophyte Opuntia?
Stomata of a plant open due to ______.
Transpiration is a necessary evil in plants. Explain.
Will the ascent of sap be possible without the cohesion and adhesion of the water molecules? Explain.
ABA (Abscisic acid) is called a stress hormone. How does this hormone overcome stress conditions?
The process of evaporative loss of water from the aerial parts of a plant is ______.
