Q. No.Which one of the following cell organelles is enclosed by a single membrane?
1.
Nuclei
2.
Mitochondria
3.
Chloroplasts
4.
Lysosomes
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A cell organelle containing hydrolytic enzymes is
| 1. | mesosome | 2. | lysosome |
| 3. | microsome | 4. | ribosome |
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Cell is the fundamental structural and functional unit of all living organisms. This statement can be best justified by the fact that:
| 1. | The cells contain nucleic acids that contain genetic information |
| 2. | A large number of organelles present in the cell perform various functions |
| 3. | Anything less than a complete structure of a cell does not ensure independent living |
| 4. | All multi-cellular organisms begin their life as a single celled zygote |
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Who first saw and described a living cell?
| 1. | Anton Von Leeuwenhoek | 2. | Robert Hooke |
| 3. | Robert Brown | 4. | Rudolph Virchow |
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Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells?
| 1. | Matthias Shcleiden | 2. | Theodor Schwann |
| 3. | J. B. S. Haldane | 4. | Rudolph Virchow |
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The famous aphorism ‘omniscellula-e-cellula’ was added to the cell theory in 1855 by
| 1. | Matthias Shcleiden | 2. | Theodor Schwann |
| 3. | J. B. S. Haldane | 4. | Rudolph Virchow |
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Ribosomes are non-membrane bound organelles found in:
1. All prokaryotic cells only
2. All eukaryotic cells only
3. All somatic cells in eukaryotic organisms only
4. All cells
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A non-membrane bound organelle found in animal cells that helps in cell division would be:
| 1. | Centromere | 2. | Centrosome |
| 3. | Basal body | 4. | Fimbriae |
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The genomic DNA of a bacterial cell is:
1. circular and located on a single chromosome
2. circular and located on multiple chromosomes
3. linear and located on a single chromosome
4. linear and located on multiple chromosomes
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