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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?
Distinguish between the following pairs of science :
Prokaryotes and eukaryotes
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 |
What type of cells do we have?
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 ______.
Give two examples of prokaryotic cells?
Identify the correct statement.
Amoeba and Paramecium belong to which category of organisms?
