Q. No.The terms ‘bracket fungi’ or ‘pufballs’ is used for some of the members of the class:
1. Phycomycetes
2. Ascomycetes
3. Basidiomycetes
4. Deuteromycetes
1. Phycomycetes
2. Ascomycetes
3. Basidiomycetes
4. Deuteromycetes
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Chemosynthestic autotrophic bacteria:
| I. | Produce ATP by oxidizing inorganic substances |
| II. | Play a great role in recycling nutrients like nitrogen, phosphorus, iron and sulfur |
| 1. | Both I and II are correct | 2. | Only I is correct |
| 3. | Only II is correct | 4. | Both I and II are incorrect |
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Identify the incorrect statement regarding true bacteria?
| 1. | As a group, they exhibit maximum metabolic diversity. |
| 2. | Chemosynthetic autotrophic bacteria play a great role in recycling nutrients like nitrogen, phosphorous, iron and sulphur. |
| 3. | Heterotrophic bacteria are the most abundant in nature. |
| 4. | Bacteria reproduce mainly by fission but sometimes under favourable conditions, they produce spores. |
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In Whittaker’s Five Kingdom classification, heterotrophic mode of nutrition is present in members of:
| 1. | Two kingdoms | 2. | Three kingdoms |
| 3. | Four kingdoms | 4. | Five kingdoms |
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Which of the following plant diseases in not caused by a fungus?
1. Late blight of potato
2. Loose smut of wheat
3. Canker in citrus
4. Powdery mildew of grape vine
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Which of the following organisms, earlier placed in Animal Kingdom, is placed under Kingdom Protista in Whittaker’s classification?
| 1. | Ameoba proteus | 2. | Chlamydomonas |
| 3. | Gonyaulax | 4. | Chlorella |
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All the following are correct regarding mycoplasma except:
1. they lack a cell wall
2. they are obligate aerobes
3. they are smallest living cells known
4. many are pathogenic in plants and animals
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Which of the following would best describe a virus?
| 1. | Non cellular organization, crystalline inert structure in a living cell |
| 2. | Non cellular organization, crystalline inert structure outside a living cell |
| 3. | Cellular organization, crystalline inert structure in a living cell |
| 4. | Cellular organization, crystalline inert structure outside a living cell |
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The main criteria for classification used by Whittaker included all the following, except:
1. Cell structure and body organization
2. Mode of nutrition
3. Mode of reproduction
4. Mode of locomotion
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Agaricus, Ustilago and Puccinia belong to the class:
1. Phycomycetes2. Ascomycetes
3. Basidiomycetes
4. Deuteromycetes
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