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प्रश्न
The instrument used to observe the cell is _____
रिकाम्या जागा भरा
उत्तर
The instrument used to observe the cell is microscope.
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संबंधित प्रश्न
Write short notes on the following.
Cytoplasm
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.
Where are the genes located in a cell?
What is cell theory? Name the three scientists whose work led to the formulation of the cell theory.
Justify the statement "cell is the basic unit of life"
What was the contribution of the following to our knowledge of cells?
Virchow
What is the function of the following?
Mitochondria
Describe the structure of the chromosome in brief.
Who studied the cell first?
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 |
