Q. No.Morels and truffles are edible fungi belonging to the class:
1.
Phycomycetes
2.
Ascomycetes
3.
Basidiomycetes
4.
Deuteromycetes
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A fungus used extensively in biochemical and genetic work is:
| 1. | Neurospora | 2. | Trichoderma |
| 3. | Paecilomyces | 4. | Streptomyces |
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A symbiotic relation between fungi and the roots of higher plants is called as:
| 1. | Lichen | 2. | Mycorrhiza |
| 3. | Amensal | 4. | Proto-cooperation |
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The disease caused by prions in humans is known as:
1. Bovine spongiform encephalopathy
2. Scrapie
3. CJD [Creutzfeldt Jakob Disease]
4. Infectious mononucleosis
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In the Two Kingdom classification, the Kingdom Plantae was erroneous with some major issues that include:
| I: | Placing bacteria and blue green algae with eukaryotic groups |
| II: | Grouping together the unicellular organisms with multicellular ones |
| III: | Placing heterotrophic fungi with autotrophic plants |
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
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Ergot fungus that can be a source for the hallucinogen LSD is:
1. Phytophthorainfestans
2. Alternariasolani
3. Claviceps purpura
4. Neurosporacrassa
Lichens are mutualistic symbiotic relationship between:
1. Roots of vascular plants and fungi
2. Roots of vascular plants and blue green algae
3. Algae and Fungi
4. Cnidarian and zooxanthelle
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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 |
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Viruses are:
1. Obligate intracellular parasites
2. Obligate extracellular parasites
3. Facultative parasites
4. Free living, outside a living cell
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The cell walls of diatoms are ‘indestructible’ as they are embedded with:
| 1. | Silica | 2. | Chitin |
| 3. | Calcium | 4. | Raphides |
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