Q. No.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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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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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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