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Questions
Answer the following question.
Define and or explain the term:
Guttation
What is guttation?
Solution
- The loss of water in the form of liquid is called guttation.
- It occurs through special structures called water stomata or hydathodes.
RELATED QUESTIONS
Differentiate between Transpiration and Evaporation
Under what conditions do plant transpire most slowly?
The set up shown alongside was kept in sunlight for an hour. It was observed that drops of water appeared on the inside of the polyethylene bag.
- Name the process which is being demonstrated.
- Why was the pot and its soil left uncovered by the polythene bag?
- Why was the pot left in the sunlight?
- Suppose the pot in this experiment was placed inside a dark room instead of placing it in sunlight for some time. What difference will be noticed?
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.
Name the cell that surrounds the stoma.
Complete the following by choosing the proper option.
Stomata : Transpiration :: Hydathode : ____________.
Excessive transpiration is due to ______.
How can plants be grown under limited water supply without compromising on metabolic activities?
ABA (Abscisic acid) is called a stress hormone. From where does this hormone get released in leaves?
Which of the following is an external factor affecting the rate of transpiration?
