Q. No.Who, amongst the following, was the earliest to attempt a more scientific basis of classification?
1.
Aristotle
2.
John Ray
3.
Tournefort
4.
Linnaeus
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Kingdom Monera in Whittaker’s Five Kingdom classification is not characterized by:
1. Prokaryote cell type
2. Cellulosic cell wall
3. Absence of nuclear membrane
4. Cellular body organization
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Which of the following is not a feature of the members of the class Basidiomycetes?
1. Branched and septate mycelium
2. Asexual spores are generally not formed
3. Vegetative reproduction not seen
4. Dikaryon stage commonly seen
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Phylogenetic classification is based on:
| 1. | Morphological similarities | 2. | Physiological similarities |
| 3. | Reproductive similarities | 4. | Evolutionary relationships |
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The body of Euglenoids is flexible because of presence of:
1. a cell wall made up of pseudopeptidoglycan
2. a protein rich pellicle and absence of cell wall
3. a phosphate ether bonding in phospholipids in cell membrane
4. lipopolysaccharide layer in the outer cell wall
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Which of the following is not a viral disease?
| 1. | Influenza | 2. | Yellow fever |
| 3. | Japanese encephalitis | 4. | Kala azar |
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As a group the most extensive metabolic diversity is shown by:
| 1. Bacteria | 2. Protista |
| 3. Fungi | 4. Animals |
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Halophiles are archaebacteria adapted to extreme:
| 1. | Hot habitats | 2. | Saline habitats |
| 3. | Marshy habitats | 4. | Cold habitats |
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Methanogens are commonly present in:
1. Alimentary canal of the lower invertebrates
2. Symbiotic relationships with xerophytic plants
3. Gut of ruminant animals
4. Close associations with corals
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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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