Advertisements
Advertisements
प्रश्न
Differentiate between the following
Permeable and Semi-permeable membrane.
Advertisements
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. |
APPEARS IN
संबंधित प्रश्न
Draw a magnified view of the root-hair, and describe, how it helps in the absorption of water from the soil.
Match the items in column I with those in column II
| Column I | Column II | ||
| (a) | Xylem | (i) | semi - permeable |
| (b) | Phloem | (ii) | permeable |
| (c) | Cell membrane | (iii) | downward flow of sap |
| (d) | Root pressure | (iv) | upward flow of water |
| (e) | Cell wall | (v) | guttation |
The apparatus arranged alongside signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
Grapes shrink when immersed in a very strong sugar solution.” Explain.
Draw a cross-section of root showing association of soil particles with root hairs.
Most plant cells and tissues constitutes _____ % water.
From which type of cells, root hair is originated
Part of the root that absorbs water from the soil is ______.
Which part of the root helps in maximum absorption of water and minerals?
Roots of the plants absorb water from the soil through the process of ____________.
