Advertisements
Advertisements
प्रश्न
Identify the wrong statement and correct it.
Leaves perform the function of transpiration only.
पर्याय
True
False
उत्तर
This statement is False.
Correct Statement -
Leaves perform the various functions other than transpiration, such as photosynthesis, gaseous exchange through stomata etc.
APPEARS IN
संबंधित प्रश्न
Define the term Transpiration stream
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.
An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:
Mention two ways in which this process is beneficial to plants.
Define the following Term:
Transpiration
Guard cells are responsible for the opening and closing of stomata.
Transpiration takes place through ______.
Excessive transpiration is due to ______.
Will the ascent of sap be possible without the cohesion and adhesion of the water molecules? Explain.
Water molecule is very polar. Polar end of molecule attracts opposite charges on another water molecule (acts like magnet). How will you explain this property of water with reference to upward movement of water? Comment on the upward movement of water given the intermolecular hydrogen bonding in water.
Name the structures through which Transpiration occur in a plant.