Q. No.
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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Which statement is wrong for viruses
1. All are parasites
2. All of them have helical symmetry
3. They have ability to synthesize nucleic acids and proteins
4. Antibiotics have no effect on them
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Pigment-containing membranous extensions in some cyanobacteria are :
1. Basal bodies
2. Pneumatophores
3. Chromatophores
4. Heterocysts
Besides paddy fields, cyanobacteria are also found inside vegetative part of :
1. Cycas
2. Equisetum
3. Psilotum
4. Pinus
Archaebacteria differ from eubacteria in:
1. Cell membrane structure
2. Mode of nutrition
3. Cell shape
4. Mode of reproduction
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Five kingdom system of classification suggested by R.H. Whittaker is not based on:
1. Presence or absence of a well defined nucleus
2. Mode of reproduction
3. Mode of nutrition
4. Complexity of body organisation
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Which of the following shows coiled RNA strand and capsomeres?
1. Polio virus
2. Tobacco mosaic virus
3. Measles virus
4. Retro virus
Viruses have :
1. DNA enclosed in a protein coat
2. Prokaryotic nucleus
3. Single Chromosome
4. Both DNA and RNA
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