Q. No.A location with luxuriant growth of lichens on the trees indicates that the:
1.
Trees are very healthy
2.
Trees are heavily infested
3.
Location is highly polluted
4.
Location is not polluted
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Barophilic prokaryotes
1. Occur in water containing high concentration of barium hydroxide
2. Grow slowly in alkaline frozen lakes at high altitude
3. Grow and multiply in very deep marine sediments
4. Readily grow and divide in sea water enriched with soluble salt of barium
Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread?
(a) Temperature of about 25ºC
(b) Temperature of about 5%
(c) Relative humidity of about 5%
(d) Relative humidity of about 95%
(e) A shaded place
(f) A brightly illuminated place.
Choose the answer from the following options:
| 1. | b, c and e only | 2. | a, c and e only |
| 3. | a, d and e only | 4. | b, d and e only |
Which pair belongs to basidiomycetes?
| 1. | Puffball and Claviceps | 2. | Peziza and Stink Horn |
| 3. | Morchella and Mushroom | 4. | Bracket fungi and Puffballs |
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Which is wrong about mycoplasma?
1. They are called PPLO
2. They are pleomorphic
3. They are sensitive to penicillin
4. They cause diseases in plants
Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?
1. Paramoecium and Plasmodium belong to the same kingdom as that of Penicillium
2. Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan
3. Yeast used in making bread and beer is a fungus
4. Nostoc and Anabaena are examples of protista
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The imperfect fungi which are decomposer of litter and help in mineral cycling belong to:
| 1. | Basidiomycetes | 2. | Phycomycetes |
| 3. | Ascomycetes | 4. | Deuteromycetes |
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Which one of the following statements is wrong?
1. Phycomycetes are also called algal fungi.
2. Cyanobacteria are also called blue-green algae.
3. Golden algae are also called desmids.
4. Eubacteria are also called false bacteria.
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The correct chronology of the steps seen in the sexual cycle in fungi will be:
1. Plasmogamy – Karyogamy – Meiosis in zygote
2. Karyogamy – Plasmogamy – Meiosis in zygote
3. Plasmogamy – Meiosis in zygote – Karyogamy
4. Karyogamy – Meiosis in zygote – Plasmogamy
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