Q. No.What is a tonoplast?
1. Outer membrane of mitochondria
2. Inner membrane of chloroplast
3. Membrane boundary of the vacuole of plant cells
4. Cell membrane of plant cell
1. Outer membrane of mitochondria
2. Inner membrane of chloroplast
3. Membrane boundary of the vacuole of plant cells
4. Cell membrane of plant cell
Which of the following is not true of a eukaryotic cell?
1. It has 80S type of ribosome present in the mitochondria
2. It has 80S type of ribosome present in the cytoplasm
3. Mitochondria contain circular DNA
4. Membrane bound organelles are present
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Which of the following statements is not true for plasma membrane?
| 1. | It is present in both plant and animal cells |
| 2. | Lipid is present as a bilayer in it |
| 3. | Proteins are present, integrated as well as loosely associated, with the lipid bilayer |
| 4. | Carbohydrate is never found in it |
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Plastid differs from mitochondria on the basis of one of the following features. Mark the right answer.
1. Presence of two layers of membrane
2. Presence of ribosome
3. Presence of chlorophyll
4. Presence of DNA
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Which of the following is not a function of cytoskeleton in a cell?
1. Intercellular transport
2. Maintenance of cell shape and structure
3. Support of the organelle
4. Cell motility
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The stain used to visualise mitochondria is
1. Fast green
2. Safranin
3. Acetocarmine
4. Janus green
Which of the following is not a feature of the plasmids?
| 1. | Single – stranded | 2. | Independent replication |
| 3. | Circular structure | 4. | Transferable |
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Select the wrong statement.
| 1. | Mycoplasma is a wall-less microorganism |
| 2. | Bacterial cell wall is made up of peptidoglycan |
| 3. | Pili and fimbriae are mainly involved in motility of bacterial cells |
| 4. | Cyanobacteria lack flagellated cells |
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Which of the following components provides sticky character to the bacterial cell?
1. Cell wall
2. Nuclear membrane
3. plasma membrane
4. Glycocalyx
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