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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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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Bacteriophages are:
1. Bacteria infecting ss RNA viruses
2. Bacteria infecting ds RNA viruses
3. Viruses that infect bacteria and generally have ds DNA
4. Viruses that infect bacteria and generally have ds RNA
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The phenomenon of red tides is associated with blooms of:
| 1. | Zooxanthelle | 2. | Gonyaulax |
| 3. | Blue green algae | 4. | Ctenoplana and Beroe |
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Identify the incorrect statement regarding Euglenoids:
| 1. | Majority are found in fresh stagnant water |
| 2. | Presence of two flagella |
| 3. | Behave as heterotrophs when deprived of sunlight |
| 4. | Pigments entirely different from those found in higher plants |
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Which of the following is not true for fungi belonging to the class phycomycetes?
| 1. | Aseptate and coenocytic mycelium |
| 2. | Spores endogenously produced in sporangium |
| 3. | Asexual reproduction by nonmotile zoospores or motile aplanospores |
| 4. | Found in aquatic habitats, decaying wood or as obligate parasites on plants |
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