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
Nuclear membrane is absent in:
1. Penicillium
2. Agaricus
3. Volvox
4. Nostoc
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
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) |