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प्रश्न
Write a short answer.
What is the relationship between growth and cell division?
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उत्तर
The life of all multicellular organisms begins with a single cell. This cell divided and redivides, thereby forming a cluster of many cells. So cell division is necessary for growth.
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संबंधित प्रश्न
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 |
Write true or false for each statement. Rewrite the false statements correctly:
The size of a cell is usually measured in centimetres
Write true or false for each statement. Rewrite the false statements correctly:
Growth and reproduction are based on cell division
Why was the invention of the microscope so important to the study of living beings?
Who proposed the Cell theory? Explain the main points of this theory.
What is the function of the following?
Mitochondria
What is the function of the following?
Ribosomes
Who studied the cell first?
Sketch and describe in your own words, the animal cell
