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प्रश्न
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?
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उत्तर
Oil is put on the surface of water to prevent loss of water by evaporation.
संबंधित प्रश्न
Under what conditions do plant transpire more quickly?
Define the three processes by which plants absorb water and minerals from the soil.
How does transpiration help in the uptake of water from the soil?
Give suitable explanation for the following:
On a bright sunny day, the leaves of certain plants roll up.
Give a reason.
What happens to the movement of the air-bubble if the apparatus shown above is kept in sunlight.
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of the spring balance in the set-up?
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
Would it make a difference if the experimental set-up is kept in bright sunshine?
Define the term:
Guttation
The lower surface of leaf will have more number of stomata in a ______.
Briefly describe the following:
Angina Pectoris
