Viroids differ from viruses in having;

1. DNA molecules without protein coat
2. RNA molecules with protein coat
3. RNA molecules without protein coat
4. DNA molecules with protein coat 

Subtopic:  Virus, Viroids & Prions |
 86%
Level 1: 80%+
NEET - 2017
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Which, among the following, are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

1. Pseudomonas 2. Mycoplasma
3. Nostoc 4. Bacillus
Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
 95%
Level 1: 80%+
NEET - 2017
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Chrysophytes, euglenoids, dinoflagellates and slime moulds are included in the kingdom:

1. Protista 2. Fungi
3. Animalia 4. Monera
Subtopic:  Kingdom Protista: Introduction |
 92%
Level 1: 80%+
NEET - 2016
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The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, including the:
1. thermoacidophiles
2. methanogens
3. eubacteria
4. halophiles
Subtopic:  Kingdom Monera: Bacterial Classification |
 97%
Level 1: 80%+
NEET - 2016
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Which one of the following statements is wrong?

1. Golden algae are also called desmids
2. Eubacteria are also called false bacteria.
3. Phycomycetes are also called algal fungi.
4. Cyanobacteria are also called blue-green algae.
Subtopic:  Kingdom Monera: Bacterial Classification |
 92%
Level 1: 80%+
NEET - 2016
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One of the major compound of cell wall of most fungi is?
1. peptidoglycan 2. cellulose
3. hemicelluloses 4. chitin
Subtopic:  Kingdom Fungi: Introduction |
 93%
Level 1: 80%+
NEET - 2016
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Which of the following statements is wrong for viroids?
1. They are smaller than viruses
2. They cause infections
3. Their RNA is of high molecular weight
4. They lack a protein coat

Subtopic:  Virus, Viroids & Prions |
 91%
Level 1: 80%+
NEET - 2016
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The imperfect fungi which are decomposers of litter and help in mineral cycling belong to?

1. Deuteromycetes 2. Basidiomycetes
3. Phycomycetes 4. Ascomycetes
Subtopic:  Kingdom Fungi: Deuteromycetes |
 91%
Level 1: 80%+
NEET - 2015
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Select the wrong statement:

1. The viroids were discovered by D.J lvanovsky.
2. W.M. Stanley showed that viruses could be crystallized.
3. The term 'contagium vivum fluidum' was coined by MW Beijerinck.
4. Mosaic disease in tobacco and AIDS in human beings are caused by viruses.

Subtopic:  Virus, Viroids & Prions |
 82%
Level 1: 80%+
NEET - 2015
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Cell wall is absent in:
1. Nostoc
2. Aspergillus
3. Funaria
4. Mycoplasma

Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
 91%
Level 1: 80%+
NEET - 2015
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