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प्रश्न
Distinguish between the following pairs of science :
Cell wall and cell membrane
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उत्तर
| Cell wall | Cell membrane |
| (i) It is a non-living rigid layer. | (i) It is a living, thin, flexible membrane. |
| (ii) It is made of cellulose. | (ii) It is made of lipoproteins. |
| (iii) It is freely permeable. | (iii) It is semi-permeable. |
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संबंधित प्रश्न
Write names of cell organelles.
What would have happened? If.........
Plasma membrane had not been selectively permeable.
Which of the following cell organelles is correctly matched with its function?
State whether the following statement is true (T) or False (F):
All animal cells contain a cell wall.
State whether the following statement is true (T) or False (F):
Anthocyanins are the pigments of flowers, which are dissolves in cell-sap.
Fill in the blanks :
_______ are hereditary units.
Put a tick mark (✓) against the correct alternative in the following statement:
The vacuole contains:
Fill in the blanks:
Muscles cells are ______ and contractile.
Write true or false for each statement. Rewrite the false statements correctly:
Chromoplasts are the kitchen of the cell
Analogy:
Plant organ: stem:: Animal organ: ______.
