Q. No.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. |
The guts of a cow and a buffalo possess:
1. Fucus sp
2. Chlorella sp
3. methanogens
4. cyanobacteria
Archaebacteria differ from eubacteria in:
| 1. | Cell membrane structure | 2. | Mode of nutrition |
| 3. | Cell shape | 4. | Mode of reproduction |
Which of the following are likely to be present in deep sea water?
1. Eubacteria
2. Blue-green algae
3. Saprophytic fungi
4. Archaebacteria
1. Heterocysts
2. Hormogonia
3. Nodules
4. Akinetes
How many organisms in the list given below are autotrophs?
Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Sacharomyces, Trypanosoma, Porphyra, Wolfia
1. Five
2. Six
3. Three
4. Four
1. cattle yard
2. polluted stream
3. hot spring
4. sulphur rock
Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to the two groups called:
1. eubacteria and archaea
2. cyanobateria and diatoms
3. protists and mosses
4. liverworts and yeasts
Select the correct combination of the statements (a-d) regarding the characteristics of certain organisms:
| (a) | Methanogens are Archaebacteria that produce methane in marshy areas |
| (b) | Nostoc is a filamentous blue-green alga that fixes atmospheric nitrogen |
| (c) | Chemosynthetic autotrophic bacteria synthesize cellulose from glucose |
| (d) | Mycoplasma lack a cell wall and can survive without oxygen |
The correct statements are:
| 1. | (a), (b) and (c) | 2. | (b), (c) and (d) |
| 3. | (a), (b) and (d) | 4. | (b) and (c) |
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