Q. No.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
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 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. | Theodore 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. | Theodore Schwann |
| 3. | J. B. S. Haldane | 4. | Rudolph Virchow |
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A basal body is a part of bacterial:
| 1. | Inclusion bodies | 2. | Chromosomal DNA |
| 3. | Flagellum | 4. | Plasmid |
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Identify the incorrect statement regarding bacterial ribosomes:
1. They are associated with plasma membrane
2. They are 70 S with two subunits being 30 S and 40 S
3. Several ribosomes may attach to a single mRNA
4. They translate the mRNA into proteins
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Reserve materials in prokaryotic cells are stored in the cytoplasm in the form of:
| 1. | Non-membrane bound lysosomes | 2. | Gas vacuoles |
| 3. | Chromatophores | 4. | Inclusion bodies |
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Which of the following is absent in almost all plant cells?
| 1. | Plastid | 2. | Cell wall |
| 3. | A large central vacuole | 4. | Centriole |
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The lipid content of the cell membrane mainly consists of:
| 1. | Phosphoglycerides | 2. | Cholesterol |
| 3. | Unsaturated fatty acids | 4. | Lipopolysaccharides |
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The measure of fluidity of a cell membrane is:
1. the ability of proteins to flip-flop between the two layers of phospholipids
2. the ability of proteins to move laterally within the membrane
3. the ability of lipids to flip-flop between the two layers of phospholipids
4. the ability of lipids to move laterally within the membrane
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The endo-membrane system of a eukaryotic cell includes:
| 1. | Lysosomes | 2. | Peroxisomes |
| 3. | Mitochondria | 4. | Chloroplasts |
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