In Whittaker’s five Kingdom classification, organisms with eukaryotic cell type and cellular body organisation are kept under:
1.
Kingdom Monera
2.
Kingdom Protista
3.
Kingdom Fungi
4.
Kingdom Plantae
Subtopic: Kingdom Protista: Introduction |
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Identify the incorrect statement regarding cyanobacteria:
| 1. | They have chlorophyll a (similar to green plants) |
| 2. | They are unicellular and never colonial or filamentous |
| 3. | They often form blooms in polluted water bodies |
| 4. | Some of them can fix atmospheric nitrogen |
Subtopic: Kingdom Monera: Bacterial Classification |
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The chief ‘producers’ in the oceans are:
1. Cyanobacteria
2. Dinoflagellates
3. Diatoms
4. Lichens
Subtopic: Kingdom Protista: Chrysophytes |
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Slime molds:
| 1. | form plasmodium that differentiates and forms fruiting bodies bearing spores at their tips during unfavourable conditions. |
| 2. | form plasmodium that differentiates and forms fruiting bodies bearing spores at their tips during favourable conditions. |
| 3. | form plasmodium under favourable conditions and the plasmodium differentiates and forms fruiting bodies bearing spores at their tips during unfavourable conditions. |
| 4. | form plasmodium under unfavourable conditions and the plasmodium differentiates and forms fruiting bodies bearing spores at their tips during favourable conditions. |
Subtopic: Kingdom Protista: Slime Moulds |
57%
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In the five kingdom classification, the members of Kingdom Animalia:
| I: | are all heterotrophs |
| II: | are all multicellular where cells lack a cell wall |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Different Classification Systems |
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Gonyaulax is:
| 1. | a heterotrophic bacteria pathogenic to cereal crops |
| 2. | a dinoflagellate responsible for red tides |
| 3. | a free living nematode |
| 4. | a thermophilic archaebacterium |
Subtopic: Kingdom Protista: Dinoflagellates |
96%
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That viruses could be crystallised and crystals consist largely of proteins was shown by:
1. M. W. Beijerinck
2. W. M. Stanley
3. Dmitri Ivanovsky
4. Louis Pasteur
Subtopic: Virus, Viroids & Prions |
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All the following given differences between fungi belonging to Phycomycetes and Basidiomycetes are correct except:
| Phycomycetes | Basidiomycetes | ||
| 1. | Mycelium | Branched and septate | Aseptate and coenocytic |
| 2. | Asexual spores | Zoospores or aplanospores | Generally not found |
| 3. | Notable examples | Bread mould and Albugo | Rust and Smut fungi |
| 4. | Dikaryon stage |
Not seen | Present |
Subtopic: Kingdom Fungi: Basidomycetes | Kingdom Fungi: Phycomycetes |
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The correct chronological sequence [beginning from the earliest] with respect to fungal sexual cycle will be:
1. Karyogamy, Plasmogamy and Meiosis
2. Meiosis, Plasmogamy and Karyogamy
3. Plasmogamy, Karyogamy and Meiosis
4. Meiosis, Karyogamy and Plasmogamy
Subtopic: Kingdom Fungi: Sexual Reproduction in Fungi |
83%
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In the given diagram showing filamentous Nostoc, the structure marked as A:
| 1. | is a resting spore |
| 2. | is involved in nitrogen fixation |
| 3. | is gas vacuole |
| 4. | is where carbon dioxide concentration mechanism is applied |
Subtopic: Kingdom Monera: Bacterial Classification |
95%
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