Which one of the following matches is correct?
(a) | Phytophthora | Aseptate Mycelium | Basidiomycetes |
(b) | Alternaria | Sexual reproduction Absent | Deuteromycetes |
(c) | Mucor | Reproduction by conjugation | Ascomycetes |
(d) | Agaricus | Parasitic fungus | Basidiomycetes |
The guts of a cow and a buffalo possess:
1. Fucus sp
2. Chlorella sp
3. methanogens
4. cyanobacteria
Which of the following shows coiled RNA strand and capsomeres?
1. | Poliovirus | 2. | Tobacco mosaic virus |
3. | Measles virus | 4. | Retrovirus |
Viruses have:
1. DNA enclosed in a protein coat
2. Prokaryotic nucleus
3. Single chromosome
4. Both DNA and RNA
A location with luxuriant growth of lichens on the trees indicates that the:
1. Trees are very healthy
2. Trees are heavily infested
3. Location is highly polluted
4. Location is not polluted
The motile bacteria are able to move by:
1. fimbriae
2. flagella
3. cilia
4. pili
Which of the following are likely to be present in deep sea water?
1. Eubacteria
2. Blue-green algae
3. Saprophytic fungi
4. Archaebacteria
The most abundant prokaryotes helpful to human in making curd from milk and in production of antibiotics are the ones categorized as:
1. Cyanobacteria
2. Archaebacteria
3. Chemosynthetic autotrophs
4. Heterotrophic bacteria
The cyanobacteria are also referred to as:
1. Protists
2. golden algae
3. Slime molds
4. Blue-green algae
Which statement is wrong for viruses?
1. | All are parasites |
2. | All of them have helical symmetry |
3. | They have the ability to synthesize nucleic acids and proteins |
4. | Antibiotics have no effect on them |