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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. |
____________ |
How is a prokaryotic cell different from a eukaryotic cell?
What do you mean by prokaryotic 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?
______ cells were the first form of life on earth.
Give two examples of prokaryotic cells?
Define Prokaryotic cells.
Identify the correct statement.
Amoeba and Paramecium belong to which category of organisms?
