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प्रश्न
Differentiate between the following
Permeable and Semi-permeable membrane.
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उत्तर
| Permeable Membrane | Semi-permeable Membrane |
| A permeable membrane has pores which allow free movement of solute as well as solvent molecules. | A semi-permeable membrane has pores which allow only solvent molecules to pass through them. |
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संबंधित प्रश्न
Name the following:
Tissue concerned with upward conduction of water.
Choose the correct answer:
Absorption of water from soil takes place by __________
Choose the correct answer:
Exudation or bleeding is associated with ___________
The figure given below is a diagrammatic representation of a part of the cross-section of the root in the root hair zone. Study the same and then answer the questions that follow :
(i) Name the parts indicated by guidelines ‘1’ to ‘5’
(ii) Is the root hair cell unicellular or multi-cellular?
(iii) Draw a labeled diagram of the root hair cell as it would appear if some fertilizer is added to the soil close to it.
(iv) Name the process responsible for the entry of water molecules from the soil into A1 and then A2.
(v) What pressure is responsible for the movement of water in the direction indicated by arrows?
(vi) How is this pressure set up?
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
Draw a neat and labelled diagram of Root hair.
Epiphytic plants like orchids absorb water vapours from air with the help of ______ having special tissue called velamen.
Root hair occurs in the zone of ____________.
