Q. No.Which of the following structure is not found in a prokaryotic cell?
1.Ribosome
2.Mesosome
3.Plasma membrane
4.Nuclear envelope
1.Ribosome
2.Mesosome
3.Plasma membrane
4.Nuclear envelope
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The structures that help some bacteria to attach to rocks and/or host tissues are:
| 1. | Fimbriae | 2. | Mesosomes |
| 3. | Holdfast | 4. | Rhizoids |
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Identify the correct order of organisation of genetic material from largest to smallest:
1. Genome, chromosome, nucleotide, gene
2. Genome, chromosome, gene, nucleotide
3. Chromosome, genome, nucleotide, gene
4. Chromosome, gene, genome, nucleotide
A protoplast is a cell :
1. without nucleus
2. undergoing division
3. without cell wall
4. without plasma membrane
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. | Theodore Schwann |
| 3. | J. B. S. Haldane | 4. | Rudolph Virchow |
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