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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
Complete the crossword with the help of clues given below.
Across
1. This is necessary for photosynthesis.
3. Term for component present in the cytoplasm.
6. The living substance in the cell.
8. Units of inheritance present on the chromosomes.
Down
1. Green plastids.
2. Formed by collection of tissues.
4. It separates the contents of the cell from the surrounding medium.
5. Empty structure in the cytoplasm.
7. A group of cells.
Name the Following :(A) Smallest Cell Organelle
Who is odd man among us? Give reason.
Give functions.
Lysosome
State the major function of the following :
Plasma membrane
State the major function of the following :
Chromosomes:
Fill in the blanks:
The jelly-like fluid that surrounds the nucleus of a cell is called ______.
Give one main function of the following:
Chromosomes
Identify the cellular structure with the help of the following clue:
It consists of cisternae, vesicles and vacuoles.
Identify the cellular structure with the help of the following clue:
It is made up of DNA threads.
