Contagium vivum fluidum was proposed by
1. DJ lvanowsky
2. MW Beijernek
3. Stanley
4. Robert Hook
Association between mycobiont and phycobiont are found in
1. mycorrhiza
2. root
3. lichens
4. BGA
The difference between virus and viroid is
1. | absence of protein coat in viroid, but present in the virus. |
2. | presence of low molecular weight RNA in virus, but absent in viroid, |
3. | Both 1 and 2 |
4. | None of the above |
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
Viruses are non-cellular organisms, but replicate themselves once they infect the host cell. To which of the following kingdom do viruses belong to?
1. Monera
2. Protista
3. Fungi
4. -None of these
Members of Phycomycetes are found in
(i) Aquatic habitats
(ii) On decaying wood
(iii) Moist and damp places
(iv) As obligate parasites on plants
Choose from the following options.
1. (i) and (iv)
2. (ii) and (iii)
3. All of these
4. None of these
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
An association between roots of higher plants and fungi is called
1. lichen
2. fern
3. mycorrhiza
4. BGA
Naked cytoplasm, multinucleated and saprophytic are the characteristics of
1. Monera
2. Protista
3. Fungi
4. Slime
Organisms living in salty areas are called as
1. methanogens
2. halophiles
3. heliophytes
4. thermoacidophiles