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प्रश्न
What are stomata?
उत्तर
The microscopic structures found in the leaves of plants that allow the diffusion (exchange) of gases are called stomata or pores. This stomatal system is an open space or pore surrounded by two epidermal guard cells and many subsidiary cells. The cells (guard cells) control the process of closing or opening stomata.
APPEARS IN
संबंधित प्रश्न
Define the term Transpiration stream
Transpiration is the loss of water as water ______ from the ______ parts of the plant.
Give suitable explanation for the following:
Perspiration and transpiration help to cool the body temperature of the organism.
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.
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
Name the phenomenon being demonstrated.
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.
Name the process intended for study.
Give the importance of transpiration?
Complete the following by choosing the proper option.
Stomata : Transpiration :: Hydathode : ____________.
Identify the wrong statement and correct it.
Leaves perform the function of transpiration only.
Why is transpiration less in the still wind?
