Advertisements
Advertisements
Question
Give a reason.
What happens to the movement of the air-bubble if the apparatus shown above is kept in sunlight.
Advertisements
Solution
Movement of the air bubble will be faster.
Reason: During sunlight, stomata remains opened due to which the rate of transpiration increases which hence increases the movement of air bubble.
RELATED QUESTIONS
The loss of water in the form of water vapour through stomata on leaves is known as ___________.
Which of the following helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem?
Given below is a diagrammatic sketch (surface view) of a stomatal apparatus from a dicot leaf.
(a) Label the parts numbers 1-3
(b) Is this state, open or closed?
(c) Is this stoma, of a dicot leaf or a monocot leaf?
(d) Redraw a sketch of the stomatal apparatus in the state opposite to the one shown here.
What governs the opening and closing of stomata?
Name the cell that surrounds the stoma.
During transpiration, there is a loss of ______
Boojho’s uncle was hospitalised and put on dialysis after a severe infection in both of his kidneys.
When does it become necessary to take such a treatment?
Will the ascent of sap be possible without the cohesion and adhesion of the water molecules? Explain.
Observe the following diagram and identify the process and its significance from the following options:
