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प्रश्न
Distinguish between prokaryotic and enkaryotic cells
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उत्तर १
| Prokaryotic cell | Eukaryotic Cell |
| 1. Size of a cell is generally small (1– 10 mm). | 1. Size of a cell is generally large (5 – 100 mm) |
| 2. Nucleus is absent (Nuclear region or nucleoid is not surrounded by a nuclear membrane). | 2. Nucleas is present (Nuclear material is surrounded by a nuclear membrane). |
| 3. It contains single chromosome. | 3. It contains more than one chromosome. |
| 4. Nucleolus is absent. | 4. Nucleolus is present. |
| 5. Membrane bound cell organelles are absent. | 5. Membrane bound cell organelles such as mitochondria, plastids, endoplasmic reticulum, Golgi apparatus, lysosomes, peroxisomes, etc., are present. |
| 6. Cell division takes place by fission or budding (no mitosis). | 6. Cell division occurs by mitotic or meiotic cell division |
उत्तर २
- Prokaryotic cell:
- Its diameter ranges from 1 to 2 micron
- Absence of membrane-bound organelles
- Nucleus consisting of no nuclear membrane
- Absence of nucleoli
- Eukaryotic cell:
- Its diameter ranges from 10 to 100 micron
- Presence of membrane-bound organelles
- True nucleus consisting of the nuclear membrane
- Presence of nucleoli
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?
How does an Amoeba obtain its food?
Draw a well labelled diagram of typical prokaryotic cell?
Write main differences between plant and animal cells.
What do you mean by prokaryotic cells?
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 |
Give any three examples of eukaryotic cell?
Which one is the prokaryotic cell among the following?
The habitat of Escherichia coli bacteria is ______.
The prokaryotic cell type of nucleus is called ______.
______ cells were the first form of life on earth.
Give two examples of prokaryotic cells?
Identify the correct statement.
Amoeba and Paramecium belong to which category of organisms?
