Black (stem) rust of wheat is caused by:
1. Ustilago nuda
2. Puccinia graminis
3. Xanthomonas oryzae
4. Alternaria solani
| 1. | Aplanospores | 2. | Conidia |
| 3. | Zoospores | 4. | Basidiospores |
Which one of the following matches is correct?
| (a) | Phytophthora | Aseptate Mycelium | Basidiomycetes |
| (b) | Alternaria | Sexual reproduction Absent | Deuteromycetes |
| (c) | Mucor | Reproduction by conjugation | Ascomycetes |
| (d) | Agaricus | Parasitic fungus | Basidiomycetes |
The imperfect fungi which are decomposers of litter and help in mineral cycling belong to?
1. Deuteromycetes
2. Basidiomycetes
3. Phycomycetes
4. Ascomycetes