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Q. No.Thermoacidophiles are capable of withstanding extremely low pH and high temperature due to the
1. Presence of branched chain of lipid in cell membrane
2. Presence of resistant enzyme which can operate in basic conditions
3. Presence of higher concentration of KCI in their cells
4. More than one option is correct
Subtopic: Kingdom Monera: Bacterial Classification |
53%
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Which group of monerans played significant role in the evolution of aerobic forms of life?
1. Mycoplasma
2. Cyanobacteria
3. Archaebacteria
4. Actinomycetes
1. Mycoplasma
2. Cyanobacteria
3. Archaebacteria
4. Actinomycetes
Subtopic: Kingdom Monera: Bacterial Classification |
66%
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Smallest wall-less monerans
1. Develop fried egg appearance in culture
2. Are motile
3. Have definite shape
4. Are mostly saprophytic
1. Develop fried egg appearance in culture
2. Are motile
3. Have definite shape
4. Are mostly saprophytic
Subtopic: Kingdom Monera: Introduction |
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Which kingdom includes nutritionally most diversed group of organisms and has no well-defined boundaries?
1. Monera
2. Protista
3. Fungi
4. Plantae
1. Monera
2. Protista
3. Fungi
4. Plantae
Subtopic: Kingdom Protista: Introduction |
77%
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Chrysophytes are
1. Diatoms and desmids
2. Diatoms and dinoflagellates
3. Slime moulds and desmids
4. Slime moulds and diatoms
1. Diatoms and desmids
2. Diatoms and dinoflagellates
3. Slime moulds and desmids
4. Slime moulds and diatoms
Subtopic: Kingdom Protista: Chrysophytes |
91%
From NCERT
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Which of the following option for diatoms is correct?
1. Pecto-cellulosic cell wall
2. Silicified cell wall
3. Multicellular eukaryotes
4. Produce saxitoxin
1. Pecto-cellulosic cell wall
2. Silicified cell wall
3. Multicellular eukaryotes
4. Produce saxitoxin
Subtopic: Kingdom Protista: Chrysophytes |
88%
From NCERT
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Subtopic: Kingdom Protista: Dinoflagellates |
95%
From NCERT
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Mark the mismatched pair :
| 1 | Pyrocystis | – | Bioluminescence |
| 2 | Whirling whips | – | Soap box-like body structure |
| 3 | Diatomite | – | Keselguhr |
| 4 | Gymnodinium | – | Zygotic meiosis |
Subtopic: Kingdom Protista: Introduction |
56%
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Mark the correct match :
| 1 | Amoeboid protozoan | – | All endoparasite |
| 2 | Flagellated protozoan | – | Paramoecium |
| 3 | Sporozoan | – | Absence of locomotory structure |
| 4 | Ciliated protozoan | – | Entamoeba |
Subtopic: Protozoa |
67%
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Mark the odd one (w.r.t. fungi)
1. Unicisternal Golgi bodies
2. Show a great diversity in morphology and habitat
3. Most of the members are aquatic
4. Reverse food material is stored in the form of oil and glycogen
1. Unicisternal Golgi bodies
2. Show a great diversity in morphology and habitat
3. Most of the members are aquatic
4. Reverse food material is stored in the form of oil and glycogen
Subtopic: Kingdom Fungi: Introduction |
53%
From NCERT
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