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Q. No.
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Which one of the following statements is wrong?
1. Phycomycetes are also called algal fungi.
2. Cyanobacteria are also called blue-green algae.
3. Golden algae are also called desmids.
4. Eubacteria are also called false bacteria.
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Match the organisms in column I with habitats in column II.
| Column I | Column II | ||
| (a) | Halophiles | (i) | Hot springs |
| (b) | Thermoacidophiles | (ii) | Aquatic environment |
| (c) | Methanogens | (iii) | Guts of ruminants |
| (d) | Cyanobacteria | (iv) | Salty areas |
Select the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (iii) | (ii) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (iii) | (iv) | (i) | (ii) |
| 4. | (ii) | (iv) | (iii) | (i) |
In which kingdom would you classify the archaea and nitrogen-fixing organism, if the five-kingdom system of classification is used?
| 1. | Plantae | 2. | Fungi |
| 3. | Protista | 4. | Monera |
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Barophilic prokaryotes
1. Occur in water containing high concentration of barium hydroxide
2. Grow slowly in alkaline frozen lakes at high altitude
3. Grow and multiply in very deep marine sediments
4. Readily grow and divide in sea water enriched with soluble salt of barium
Which is wrong about mycoplasma?
1. They are called PPLO
2. They are pleomorphic
3. They are sensitive to penicillin
4. They cause diseases in plants
Bacteria that obtain energy from light and carbon from the fixation of carbon dioxide, using reducing equivalents from inorganic compounds are called as:
| 1. | chemolithoautotrophs | 2. | photolithoautotrophs |
| 3. | photoorganoheterotrophs | 4. | chemolithoheterotrophs |
Identify the incorrect statement regarding Eubacteria:
1. Cyanobacteria can fix atmospheric nitrogen in specialized cells called heterocysts
2. Chemosynthetic autotrophic bacteria play a great role in recycling nitrogen and phosphorus
3. Heterotrophic bacteria are the only bacteria that do not include any economically useful microbe for humans
4. Mycoplasma lack cell wall and can survive without oxygen
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Q. No.
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