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Q. No.The viruses that infect the bacteria usually have genetic material as
1. dsDNA
2. dsRNA
3. ssRNA
4. ssDNA
Subtopic: Virus, Viroids & Prions |
71%
From NCERT
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Identify the genetic material of the virus in the given figure.
1. ssRNA
2. dsRNA
3. ssDNA
4. dsDNA
1. ssRNA
2. dsRNA
3. ssDNA
4. dsDNA
Subtopic: Virus, Viroids & Prions |
78%
From NCERT
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State true (T) or false (F) for the following statements.
A. Cyanobacteria ofter form blooms in polluted water bodies.
B. Archaebacteria are eubacteria.
C. Mycoplasma are organisms that completely lack a cell wall.
A. Cyanobacteria ofter form blooms in polluted water bodies.
B. Archaebacteria are eubacteria.
C. Mycoplasma are organisms that completely lack a cell wall.
| A | B | C | |
| 1 | T | T | T |
| 2 | F | T | F |
| 3 | T | T | F |
| 4 | T | F | T |
Subtopic: Kingdom Monera: Bacterial Classification |
84%
From NCERT
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Light energy is utilised to carry on ATP production but they cannot use their ATP in food synthesis in
1. Methanococcus
2. Halobacterium
3. Halococcus
4. All except (1)
1. Methanococcus
2. Halobacterium
3. Halococcus
4. All except (1)
Subtopic: Kingdom Monera: Introduction |
72%
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Subtopic: Kingdom Protista: Slime Moulds |
87%
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In three kingdom classification, the kingdom Protista includes
1. Unicellular eukaryotic organisms only
2. Unicellular prokaryotic organisms only
3. Wide variety of unicellular, mostly aquatic eukaryotes
4. Wide variety of unicellular, mostly terrestrial Prokaryotes
1. Unicellular eukaryotic organisms only
2. Unicellular prokaryotic organisms only
3. Wide variety of unicellular, mostly aquatic eukaryotes
4. Wide variety of unicellular, mostly terrestrial Prokaryotes
Subtopic: Different Classification Systems |
59%
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Which of the following was given the status of kingdom in the classification system given by Copeland?
1. Prokaryotes
2. Myxomycetes
3. Eukaryotic algae
4. Protista
1. Prokaryotes
2. Myxomycetes
3. Eukaryotic algae
4. Protista
Subtopic: Different Classification Systems |
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Mark the incorrect option w.r.t. nitrifying bacteria
1. Nitrococcus
2. Leptothrix
3. Nitrobacter
4. Nitrocystis
1. Nitrococcus
2. Leptothrix
3. Nitrobacter
4. Nitrocystis
Subtopic: Kingdom Monera: Introduction |
69%
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Genetic recombination in which a small double-stranded piece of DNA is transferred from donor bacterium to recipient bacterium by a bacteriophage was first demonstrated by
1. Griffith
2. Lederberg and Tatum
3. Zinder and Lederberg
4. Avery et.al.
1. Griffith
2. Lederberg and Tatum
3. Zinder and Lederberg
4. Avery et.al.
Subtopic: Kingdom Monera: Bacterial Reproduction | Kingdom Monera: Bacterial Recombination |
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The characteristic photosynthetic pigments in cyanobacteria are
1. Chlorophyll a and c
2. Chlorophyll a and carotenes
3. Chlorophyll a and phycobilins
4. Chlorophyll a, carotenoids and phycobilins
1. Chlorophyll a and c
2. Chlorophyll a and carotenes
3. Chlorophyll a and phycobilins
4. Chlorophyll a, carotenoids and phycobilins
Subtopic: Kingdom Monera: Introduction |
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