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प्रश्न
What is the function of the following?
Cell membrane
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उत्तर
Cell membrane - It gives a definite shape to the cell, protects the internal cell contents, and allows entry and exit of specific substances into and out of the cell.
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संबंधित प्रश्न
Make a comparison and write down ways in which plant cells are different from animal cells.
Write short notes on the following.
Cytoplasm
Write down differences between organ and organelle.
Name the part of the cell concerned with the following :
The entry of only certain substances into and out of the cell.
Write true or false for each statement. Rewrite the false statements correctly:
The size of a cell is usually measured in centimetres
Name any five cell organelles.
Expand - ER
Match the items in column A with the appropriate items in column B:
| column A | column B |
| 1. Platform or workplace for the synthesis of proteins | a. Golgi complex |
| 2. A powerhouse of cells | b. Ribosomes |
| 3. Help in the formation of cell plate during cell division | c. Chloroplast |
| 4. Site for photosynthesis | d. Mitochondria |
| 5. Control tower of cell | e. Chromosomes |
| 6. A structure bearing genes | f. Nucleus |
the question has four options. Choose the correct answer:
The word cell was given by
Who discovered the cell in 1665?
