Yeast is unique amongst the members of Kingdom Fungi because it:
1. reproduces by ascospores
2. is unicellular
3. does not have a chitinous cell wall
4. does not have a sexual mode of reproduction
A symbiotic relation between fungi and the roots of higher plants is called as:
1. | Lichen | 2. | Mycorrhiza |
3. | Amensal | 4. | Proto-cooperation |
A fungus used extensively in biochemical and genetic work is:
1. | Neurospora | 2. | Trichoderma |
3. | Paecilomyces | 4. | Streptomyces |
Rusts and Smuts are the fungi that belong to:
1. | Phycomycetes | 2. | Ascomycetes |
3. | Basidiomycetes | 4. | Deuteromycetes |
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
What is not true regarding sexual reproduction in basidiomycetes?
1. | Sex organs are well developed |
2. | Plasmogamy is brought about by fusion of two vegetative or somatic cells of different strains or genotypes |
3. | Karyogamy and meiosis take place in basidium, producing four basidiospores |
4. | Basidiospores are produced exogenously on the basidium |
Which pair belongs to basidiomycetes?
1. | Puffball and Claviceps | 2. | Peziza and Stink Horn |
3. | Morchella and Mushroom | 4. | Bracket fungi and Puffballs |
A. | Basidium | Bears spores |
B. | Basidiospores | Asexual Spores |
C. | Basidiocarp | Fruiting body |
I: | The asexual spores are generally not found. |
II: | Vegetative reproduction by fragmentation is common. |
III: | The sex organs are absent. |
Ascomycetes | Basidiomycetes | |
I: | Mycelium is branched and septate. | Mycelium is aseptate and coenocytic. |
II: | Asexual spores are conidia. | Asexual spores are zoospores. |
III: | Sexual spores are produced endogenously in sac like asci. | Sexual spores are exogenously produced on the basidium. |
1. | None | 2. | Only I and II |
3. | I, II and III | 4. | Only III |