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Q. No.
Assertion(A): Archaebacteria are special bacteria.
Reason(R): They live in harsh habitats.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Kingdom Monera: Bacterial Classification |
80%
Level 1: 80%+
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Assertion (A): Dikaryon is observed in Ascomycetes and Basidiomycetes.
Reason (R): In some fungi karyogamy is delayed after plasmogamy.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Reason (R): In some fungi karyogamy is delayed after plasmogamy.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Kingdom Fungi: Ascomycetes | Kingdom Fungi: Basidomycetes |
65%
Level 2: 60%+
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Assertion (A): Viruses are an exception to cell theory.
Reason (R): Viruses are noncellular in nature.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Viruses are noncellular in nature.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Virus, Viroids & Prions |
84%
Level 1: 80%+
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Assertion (A): Archaebacteria are most resistant to adverse environmental conditions.
Reason (R): In archaebacteria, cell wall is highly resistant and complex.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Reason (R): In archaebacteria, cell wall is highly resistant and complex.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Kingdom Monera: Bacterial Classification |
91%
Level 1: 80%+
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Chemosynthetic autotrophic bacteria play a great role in:
| 1. | forming blooms in polluted water bodies |
| 2. | recycling nutrients like nitrogen, phosphorous, iron and sulphur |
| 3. | making curd from milk |
| 4. | fixing nitrogen in legume roots |
Subtopic: Kingdom Monera: Introduction |
83%
Level 1: 80%+
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A dikaryophase of fungus is commonly seen in the sexual reproduction of:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Phycomycetes |
| II: | Ascomycetes |
| III: | Basidiomycetes |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Kingdom Fungi: Introduction | Kingdom Fungi: Ascomycetes | Kingdom Fungi: Basidomycetes |
88%
Level 1: 80%+
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The infectious agent that causes potato spindle tuber disease is:
| 1. | a free RNA lacking a protein coat |
| 2. | a nucleocapsid |
| 3. | an abnormally folded protein |
| 4. | a ribozyme |
Subtopic: Virus, Viroids & Prions |
82%
Level 1: 80%+
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Bacteria are grouped under four categories based on their shape. Identify the incorrect match:
| 1. | Coccus | Spherical |
| 2. | Bacillus | Rod-shaped |
| 3. | Vibrium | Icosahedron |
| 4. | Spirillum | Spiral |
Subtopic: Kingdom Monera: Introduction |
94%
Level 1: 80%+
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Identify the correct statement regarding Euglenoids:
| 1. | Majority of them are marine water organisms found in running water. |
| 2. | The cell wall has stiff cellulose plates on the outer surface. |
| 3. | They have only one flagellum. |
| 4. | Though they are photosynthetic in the presence of sunlight, when deprived of sunlight they behave like heterotrophs. |
Subtopic: Kingdom Protista: Euglenoids |
89%
Level 1: 80%+
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What would be true for Alternaria but not for Puccinia?
| 1. | Heterotrophic mode of nutrition |
| 2. | Sexual stage is unknown |
| 3. | Lack of vegetative reproduction |
| 4. | Called as bracket fungi |
Subtopic: Kingdom Fungi: Deuteromycetes |
82%
Level 1: 80%+
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