Q. No.The stem rust of wheat is caused by:
1. Pucciniagraminis
2. Ustilagotritici
3. Alternariasolani
4. Colletotrichumfalcatum
1. Pucciniagraminis
2. Ustilagotritici
3. Alternariasolani
4. Colletotrichumfalcatum
Which of the following is not a feature of the members of the class Basidiomycetes?
1. Branched and septate mycelium
2. Asexual spores are generally not formed
3. Vegetative reproduction not seen
4. Dikaryon stage commonly seen
Phylogenetic classification is based on:
| 1. | Morphological similarities | 2. | Physiological similarities |
| 3. | Reproductive similarities | 4. | Evolutionary relationships |
The body of Euglenoids is flexible because of presence of:
| 1. | a cell wall made up of pseudopeptidoglycan |
| 2. | a protein rich pellicle and absence of cell wall |
| 3. | a phosphate ether bonding in phospholipids in cell membrane |
| 4. | lipopolysaccharide layer in the outer cell wall |
Which of the following is not a viral disease?
| 1. | Influenza | 2. | Yellow fever |
| 3. | Japanese encephalitis | 4. | Kala azar |
As a group the most extensive metabolic diversity is shown by:
| 1. | Bacteria | 2. | Protista |
| 3. | Fungi | 4. | Animals |
Halophiles are archaebacteria adapted to extreme:
| 1. | Hot habitats | 2. | Saline habitats |
| 3. | Marshy habitats | 4. | Cold habitats |
Methanogens are commonly present in:
1. Alimentary canal of the lower invertebrates
2. Symbiotic relationships with xerophytic plants
3. Gut of ruminant animals
4. Close associations with corals
© 2024 GoodEd Technologies Pvt. Ltd.