Q. No.In which group of organisms the Cell walls form two thin overlapping shells which fit together?
1.
Chrysophytes
2.
Euglenoids
3.
Dinoflagellates
4.
Slime moulds
Pick up the wrong statement.
| 1. | Cell wall is absent in Animalia. |
| 2. | Protista have photosynthetic and heterotrophic modes of nutrition |
| 3. | Some fungi are edible |
| 4. | Nuclear membrane is present in Monera. |
Which of the following are most suitable indicators of SO2 pollution in the environment?
1. Lichens
2. Conifers
3. Algae
4. Fungi
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 |
1. a
2. b
3. c
4. d
The guts of a cow and a buffalo possess:
1. Fucus sp
2. Chlorella sp
3. methanogens
4. cyanobacteria
Five kingdom system of classification suggested by R.H. Whittaker is based on:
1. Complexity of body organisation
2. Mode of reproduction
3. Mode of nutrition
4. All of the above
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
Which one of the following living organisms completely lacks a cell wall?
1. Cyanobacteria
2. Sea- fan (Gorgonia)
3. Saccharomyces
4. Coelenterata algae
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