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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
Draw a well labelled diagram of animal cell and mention one function of the main cell organelles.
Who am I?
I am chemical factory of the cell.
Fill in the blanks :
_______ are hereditary units.
Why are the cells generally of a small size?
Name the plastid and pigment likely to be found in the cells of :
State the major function of the following :
Plasma membrane
Put a tick mark (✓) against the correct alternative in the following statement:
The vacuole contains:
Write true or false for each statement. Rewrite the false statements correctly:
The nuclear membrane encloses a colourless, dense fluid called nucleoplasm
Write true or false for each statement. Rewrite the false statements correctly:
At the time of cell division the chromatin network changes into small thread-like structures called genes
Give one main function of the following:
Endoplasmic Reticulum
