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प्रश्न
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 |
जोड्या लावा/जोड्या जुळवा
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उत्तर
| column A | column B |
| 1. Platform or workplace for the synthesis of proteins | b. Ribosomes |
| 2. A powerhouse of cells | d. Mitochondria |
| 3. Help in the formation of cell plate during cell division | a. Golgi complex |
| 4. Site for photosynthesis | c. Chloroplast |
| 5. Control tower of cell | f. Nucleus |
| 6. A structure bearing genes | e. Chromosomes |
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संबंधित प्रश्न
Write short notes on the following.
Nucleus of a cell
Write down differences between organ and organelle.
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 a short answer.
Why is a cell called the structural unit of a living organism?
Who proposed the Cell theory? Explain the main points of this theory.
Expand - SER
Expand - RER
"Nucleus is the controller of the cell" - prove this statement.
Where is energy stored in a cell?
Matching:
| 1. | Discovery of cell | a. | Nerve cell |
| 2. | Unicellular organism | b. | spirogyra |
| 3. | Multicellular organism | c. | Robert Hooke |
| 4. | Longest cell | d. | Cyanobacteria |
| 5. | Prokaryotic cell | e. | Amoeba |
