Q. No.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
1. Cellulose, Galactans, Mannans and Minerals
2. Cellulose, Hemicellulose, Pectins and Proteins
3. Cellulose, Pectins, Mannans and Minerals
4. Cellulose, Hemicellulose, Mannans and Pectins
1. Lysosomes
2. Vacuoles
3. Endoplasmic reticulum
4. Peroxisomes
1. Photosynthesis in cyanobacteria
2. Respiration
3. DNA replication
4. Cell wall formation
A non-membrane bound organelle found in all cells is:
| 1. | Centriole | 2. | Lysosome |
| 3. | Vacuole | 4. | Ribosome |
Which of the following is not a feature of the plasmids?
| 1. | Single – stranded | 2. | Independent replication |
| 3. | Circular structure | 4. | Transferable |
A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes is
1. Absence of mitochondria
2. Presence of cell wall
3. Presence of haemoglobin
4. Absence of nucleus
1. DNA
2. Basic histones
3. RNA
4. Acidic histones
The endo-membrane system of a eukaryotic cell includes:
| 1. | Lysosomes | 2. | Peroxisomes |
| 3. | Mitochondria | 4. | Chloroplasts |
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
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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