Q. No.After karyogamy followed by meiosis, spores are produced exogenously in?
1.
Neurospora
2.
Alternaria
3.
Agaricus
4.
Saccharomyces
| 1. | Dinoflagellates | 2. | Diatoms |
| 3. | Cyanobacteria | 4. | Euglenoids |
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 |
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 |
Chrysophytes, euglenoids, dinoflagellates and slime moulds are included in the kingdom:
| 1. | Protista | 2. | Fungi |
| 3. | Animalia | 4. | Monera |
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. |
| 1. | peptidoglycan | 2. | cellulose |
| 3. | hemicelluloses | 4. | chitin |
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
The imperfect fungi which are decomposers of litter and help in mineral cycling belong to?
1. Deuteromycetes
2. Basidiomycetes
3. Phycomycetes
4. Ascomycetes
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. |
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