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प्रश्न
Identify the correct statement.
विकल्प
Tissue is a group of dissimilar cells
An organ consists of similar cells
Vacuoles are not found in plant cells
Prokaryotes do not have nucleus
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उत्तर
Prokaryotes do not have nucleus
Explanation:
Prokaryotes do not have a well defined nucleus. The irregularly shaped region that contains their genetic material is called nucleoid.
The other statements in correct form are:
- Tissue is a group of similar cells.
- An organ consists of different tissues.
- Large vacuoles are found in plant cells.
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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. |
____________ |
Write main differences between plant and animal cells.
What do you mean by prokaryotic cells?
Most organelles in an eukaryotic cell is found in the
Prokaryotes were the first form of life on earth.
Analogy
Prokaryote : Bacteria :: Eukaryote :_______
What type of cells do we have?
Which one is the prokaryotic cell among the following?
Give two examples of prokaryotic cells?
Amoeba and Paramecium belong to which category of organisms?
