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प्रश्न
Distinguish between the following pairs of science :
Prokaryotes and eukaryotes
अंतर स्पष्ट करें
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उत्तर
| Prokaryotes | Eukaryotes |
| (i) Organisms with cells containing a primitive, undefined nucleus are called prokaryotes. | (i) Organisms with cells containing a well-defined nucleus with a nuclear membrane are called eukaryotes. |
| (ii) They contain small ribosomes. | (ii) They contain larger ribosomes. |
| (iii) They lack other cell organelles. | (iii) They contain other cell organelles. |
| (iv) Examples: Bacteria, blue-green algae | (iv) Examples: Euglena, Human beings. |
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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. |
____________ |
Distinguish between prokaryotic and enkaryotic cells
Write main differences between plant and animal cells.
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 |
What type of cells do we have?
Draw a neat labelled diagram of a prokaryotic cell.
The habitat of Escherichia coli bacteria is ______.
Define Prokaryotic cells.
Identify the correct statement.
Amoeba and Paramecium belong to which category of organisms?
