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प्रश्न
Define the term:
Guttation
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उत्तर
Guttation is defined as the loss of water in the form of water droplets from the leaves of intact plants. It is also called exudation.
संबंधित प्रश्न
Discuss the factors responsible for ascent of xylem sap in plants
Multiple choice question. Tick (✓) the correct choice:
The loss of water through the stomata of leaves is called
(a) transpiration
(b) wilting
(c) evaporation
(d) osmosis
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:
Name the process being studied.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Calcium chloride paper is used to demonstrate transpiration
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Moist cobalt chloride paper is blue in colour.
What type of transpiration is possible in the xerophyte Opuntia?
ABA (Abscisic acid) is called a stress hormone. How does this hormone overcome stress conditions?
The radio labelled carbon in carbon dioxide supplied to potato plants in an experiment was seen in the tuber eventually. Trace the movement of the labelled carbon dioxide.
Which of the following is an external factor affecting the rate of transpiration?
