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प्रश्न
Write main differences between plant and animal cells.
अंतर स्पष्ट करें
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उत्तर
| Plant cell | Animal cell |
| 1. Plant cells are larger than animal cells. | 1. Animal cells are generally small in size. |
| 2. The plasma membrane of plant cells is surrounded by a rigid cell wall of cellulose | 2. Cell wall is absent. |
| 3. Plastids are present. | 3. Except the protozoan Euglena, no animal cell possesses plastids. |
| 4. Most mature plant cells have a permanent and large central sap vacuole. | 4. Vacuoles in animal cells are many, small and temporary. |
| 5. Plant cells have many simpler units of Golgi apparatus, called dictyosomes. | 5. Animal cells have a single highly complex and prominent Golgi apparatus. |
| 6. Plant cells lack centrosome and centrioles | 6. Animal cells have centrosome and centrioles. |
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संबंधित प्रश्न
Fill in the gaps in the following table, illustrating differences between prokaryotic and eukaryotic cells.
| Prokaryotic cell | Eukaryotic cell | ||
| 1. | Size: generally small (1–10 µm) 1 µm = 10-6 m | 1. | Size: generally large (5-100 µm) |
| 2. | Nuclear region: ____________ ____________ and is known as _____. |
2. | Nuclear region: well defined and surrounded by a nuclear membrane. |
| 3. | Chromosome: single | 3. | More than one chromosome |
| 4. | Membrane-bound cell organelles absent |
4. |
____________ |
How is a prokaryotic cell different from a eukaryotic cell?
What do you mean by prokaryotic cells?
the question has four options. Choose the correct answer:
A prokaryotic cell doesn't have
Prokaryotes were the first form of life on earth.
Match the following
| 1. | Control center | Energy producer |
| 2. | Food producer (Plant cell) | Mitochondria |
| 3. | Gate of the nucleus | Nucleus |
| 4. | Gate of the cell | Chloroplasts |
| 5. | Energy producer | Nuclear membrane |
Analogy
Prokaryote : Bacteria :: Eukaryote :_______
The prokaryotic cell type of nucleus is called ______.
Define Prokaryotic cells.
Amoeba and Paramecium belong to which category of organisms?
