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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
Who am I?
I support the cell, but I am not a cell wall. I have a body resembling a net.
Who am I?
Leaves are green because of me.
Who gives me the colour? (Select the correct option)
| a. Red tomato | 1. Chlorophyll |
| b. Green leaf | 2. Carotene |
| c. Carrot | 3. Anthocyanin |
| d. Violet | 4. Lycopene |
Fill in the blanks :
Very thin flexible, a living membrane which is differentially permeable, is called__________.
Distinguish between the following pairs of terms :
Centrosome and chromosome
State the major function of the following :
Plasma membrane
State the major function of the following :
Asters of centrosome:
Put a tick mark (✓) against the correct alternative in the following statement:
A cell that is spherical in shape is
The cell membrane is called selectively permeable. Why?
Write true or false for each statement. Rewrite the false statements correctly:
Vacuoles are filled with a fluid called nucleoplasm
