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प्रश्न
Choose the correct answer:
Exudation or bleeding is associated with ___________
विकल्प
capillarity
imbibition
hydrostatic pressure in the root
pulsation in the innermost layer of cortex
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उत्तर
Exudation or bleeding is associated with hydrostatic pressure in the root
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संबंधित प्रश्न
The diagram of an given below demonstrates a particular process in plants. Study the same and answer the questions that follow :
(i) Name the apparatus.
(ii) Which phenomenon is demonstrated by this apparatus?
(iii) Explain the phenomenon mentioned in (ii) above.
(iv) State two limitations of using this apparatus.
(v) What is the importance of the air bubble in the experiment?
(vi) Name the structures in a plant through which the above process takes place.
Draw a magnified view of the root-hair, and describe, how it helps in the absorption of water from the soil.
Give reason for the following:
If you uproot a plant from the soil, its leaves soon wilt.
Choose the correct answer:
An example of a selective permeable membrane is __________
What is toxicity ?
A thin strip of epidermal cells of a leaf was observed in a drop of water. They all looked turgid and normal.
(a) Draw a diagram of such a cell.
(b) Draw a diagram of a cell if this strip is transferred to a strong concentrated solution of sugar. What is term used for the effect on the cells ?
Draw a neat and labelled diagram of the Root tip showing the root hair zone.
Draw a neat and labelled diagram of Root hair.
____________ regions are present in a typical root.
