Q. No.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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A non-membrane bound organelle found in all cells is:
| 1. | Centriole | 2. | Lysosome |
| 3. | Vacuole | 4. | Ribosome |
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Algal cell walls are made up of:
| 1. | Cellulose, Galactans, Mannans and Minerals |
| 2. | Cellulose, Hemicellulose, Pectins and Proteins |
| 3. | Cellulose, Pectins, Mannans and Minerals |
| 4. | Cellulose, Hemicellulose, Mannans and Pectins |
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Given below is an electron microscopic structure of:
| 1. | Cilium | 2. | Flagellum |
| 3. | Fimbria | 4. | Centriole |
The following diagram shows
| 1. | Formation of sperms from spermatogonia |
| 2. | Protein synthesis apparatus in eukaryotic cells |
| 3. | The endomembranous system of eukryotic cells |
| 4. | The cytoskeleton of a Moneran cell |
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Both cilium and flagellum emerge from centriole-like structure called the:
| 1. | Centrosome | 2. | Centromere |
| 3. | Blepharoplast | 4. | Basal body |
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The middle lamella of the cell wall is composed of:
| 1. | Calcium carbonate | 2. | Calcium phosphate |
| 3. | Calcium pectate | 4. | Calcium oxalate |
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The surface appendage on the bacterial cells that helps in conjugation is:
| 1. | Flagellum | 2. | Fimbria |
| 3. | Pilus | 4. | Cilia |
A ‘slime layer’ or a ‘capsule’ is a modification of which of the following layers of the cell envelope of a prokaryotic cell?
| 1. | Glycocalyx | 2. | Cell wall |
| 3. | Lipoprotein layer | 4. | Cell membrane |
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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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