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प्रश्न
State the difference between eukaryotes and prokaryotes
उत्तर
| Prokaryotes | Eukaryotes |
| Most prokaryotes are unicellular | Most eukaryotes are multicellular |
| The nucleus is poorly defined due to the absence of a nuclear membrane | The nucleus is well defined and is surrounded by a nuclear membrane |
| Nucleolus is absent | Nucleolus is present |
| Cell organelles such as plastids, mitochondria, golgi bodies, etc. are absent | Cell organelles such as plastids, mitochondria, golgi bodies, etc. are present |
| Bacteria and blue-green algae are prokaryotic cells | Fungi, plant, and animal cells are eukaryotic cells |
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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 a short answer.
What is the relationship between growth and cell division?
Why was the invention of the microscope so important to the study of living beings?
What was the contribution of the following to our knowledge of cells?
Schwann
Fill in the blank with a suitable word:
DNA is an abbreviated form of ______.
Which is the smallest cell?
Sketch and describe in your own words, the animal cell
Answer the following question.
Why is the cell called the structural and functional unit of life?
Nerve cell is the longest cell
Who discovered the cell in 1665?
