A dikaryon is formed when
1. Meiosis is arrested
2. The two haploid cells do not fuse immediately
3. Cytoplasm does not fuse
4. None of the above

Subtopic:  Kingdom Fungi: Sexual Reproduction in Fungi |
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Contagium vivum fluidum was proposed by

1. D. J. Ivanowsky 2. M. W. Beijerinck 
3. Stanley 4. Robert Hooke
Subtopic:  Virus, Viroids & Prions |
 79%
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Mycobiont and Phycobiont are formed in

1. Mycorrhzia 2. Root
3. Lichens 4. BGA
Subtopic:  Lichens |
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Difference between Virus and Viroid is
1. Absence of protein coat in viroid but presence of virus
2. Presence of low molecular weight RNA in virus but absence in viroid
3. Both 1 and 2
4. None of the above

Subtopic:  Virus, Viroids & Prions |
 73%
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With respect to fungal sexual cycle, choose the correct sequence of events
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 |
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Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the following kingdom do viruses belong?
1. Monera
2. Protista
3. Fungi
4. None of the above

Subtopic:  Virus, Viroids & Prions |
 91%
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Members of phycomycetes are found

I. In aquatic habitats
II. On decaying wood
III. In moist and damp places
IV. As obligate parasites on plant

Choose from the following options:

1. None of the above 2. I and IV
3. II and III 4. All of the above
Subtopic:  Kingdom Fungi: Zygomycetes |
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Cyanobacteria are classified under

1. Protista 2. Plantae
3. Monera 4. Algae
Subtopic:  Kingdom Monera: Blue Green Algae |
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In Linnaeus’ time, the number of Kingdoms of living organisms was

1. 2 2. 3
3. 4 4. 5
Subtopic:  Different Classification Systems |
 82%
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The bacterial cell wall is composed of a unique compound called
1. Hemicellulose
2. Chitin
3. Peptidoglycan
4. Phospholipid

Subtopic:  Kingdom Monera: Bacterial Cell Structure | Kingdom Monera: Surface Appendages | Kingdom Monera: Bacterial Reproduction | Kingdom Monera: Bacterial Recombination | Kingdom Monera: Bacterial Life Process | Kingdom Monera: Bacterial Classification |
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