Ciliates differ from all other protozoans in?
1.
using flagella for locomotion
2.
having a contractile vacuole for removing excess water
3.
using pseudopodia for capturing prey
4.
having two types of nuclei
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 |
| 1. | peptidoglycan | 2. | cellulose |
| 3. | hemicelluloses | 4. | chitin |
Which one is the wrong statement?
| 1. | Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. |
| 2. | Mucor has biflagellate Zoospores |
| 3. | Haploid endosperm is a typical feature of gymnosperms. |
| 4. | Brown algae have chlorophyll a and c fucoxanthin. |
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
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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