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प्रश्न
Write true or false for each statement. Rewrite the false statements correctly:
The size of a cell is usually measured in centimetres
सत्य या असत्य
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उत्तर
False
The size of a cell is usually measured in micrometres.
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संबंधित प्रश्न
Who discovered cells and how?
A plant cell can be identified from an animal cell by the :
A plant cell has a cell wall made of :
Who coined the term “cell” ?
Match the name of the organelle given in Column A with its function given in Column B.
| Column A (Organelle) | Column B (Function) | ||
| 1 | leucoplast | a | help in cell division |
| 2 | nucleus | b | transport of material |
| 3 | ribosomes | c | making food |
| 4 | mitochondria | d | digesting foreign bodies |
| 5 | endoplasmic reticulum | e | storage of starch and proteins |
| 6 | golgi bodies | f | making the cell turgid |
| 7 | chloroplast | g | making proteins |
| 8 | centrosome | h | controlling all the vital activities of a cell |
| 9 | vacuole | i | releasing energy |
| 10 | lysosomes | j | synthesis of cell wall in a plant cell |
Who proposed the Cell theory? Explain the main points of this theory.
What was the contribution of the following to our knowledge of cells?
Virchow
Why are lysosomes called suicidal bags?
Expand - RER
the question has four options. Choose the correct answer:
Chromosomes are made up of
