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प्रश्न
What is responsible for guttation?
विकल्प
Osmotic pressure
Root pressure
Suction pressure
Capillarity
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उत्तर
Root pressure
संबंधित प्रश्न
Differentiate between the following:
Plasmolysis and deplasmolysis
Leaves of the sensitive plant wilt and droop down on a slight touch. What mechanism brings about this change?
Distinguish between the following:
Hypotonic and Hypertonic solutions
Give Reasons for the following.
Freshwater fish cannot survive in seawater.
Give Reasons for the following.
Plants begin to die when the excess of soluble fertilizers are added to the soil?
The beaker is divided into two chambers A and B. The big circle represents solute and the small circles solvent.
(i) What can you say about the size of the holes in the membrane, if it is to behave semi- permeably between these two?
(ii) Will the solvent molecules pass through the membrane from left to right, from right to left, in either direction or in both directions?
(iii) In which direction will there be a net movement of solvent molecules?
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
Explain the term:
Plasmolysis
When a cell in solution shrinks and loses its shape, then the solution is ______.
