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Q. No.An intervening dikaryophase is seen during the sexual reproduction in members of the fungal class:
1. Phycomycetes and Ascomycetes
2. Ascomycytes and Basidiomycetes
3. Basidiomycetes and Deuteromycetes
4. Phycomycetes and Deuteromycetes
Subtopic: Kingdom Fungi: Introduction |
90%
From NCERT
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Abnormally folded infectious proteins can, in humans, cause:
1. Mad cow disease
2. Scrapie
3. Creutzfeldt-Jacob disease
4. MERS
1. Mad cow disease
2. Scrapie
3. Creutzfeldt-Jacob disease
4. MERS
Subtopic: Virus, Viroids & Prions |
72%
From NCERT
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Methanogens, present in the gut of several ruminants, are:
1. Archaebacteria
2. Photosynthetic autotrophic bacteria
3. Chemoheterotroph eubacteria
4. Chemosynthetic eubacteria
1. Archaebacteria
2. Photosynthetic autotrophic bacteria
3. Chemoheterotroph eubacteria
4. Chemosynthetic eubacteria
Subtopic: Kingdom Monera: Bacterial Classification |
91%
From NCERT
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Hyphae, that are continuous tubes filled with multinucleated cytoplasm, are seen in the members of:
1. Ascomycetes
2. Phycomycetes
3. Deuteromycetes
4. Basidiomycetes
1. Ascomycetes
2. Phycomycetes
3. Deuteromycetes
4. Basidiomycetes
Subtopic: Kingdom Fungi: Introduction |
79%
From NCERT
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Viruses:
1. contain both DNA and RNA as genetic material
2. are facultative parasites
3. cannot be crystallized
4. are nucleoproteins
1. contain both DNA and RNA as genetic material
2. are facultative parasites
3. cannot be crystallized
4. are nucleoproteins
Subtopic: Virus, Viroids & Prions |
75%
From NCERT
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Generally, the shape not seen in a bacterial cell is:
1. Rod like
2. Comma shaped
3. Spherical
4. Icosahedral
1. Rod like
2. Comma shaped
3. Spherical
4. Icosahedral
Subtopic: Kingdom Monera: Introduction |
95%
From NCERT
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All the following statements regarding diatoms are true except:
| 1. | The two overlapping shells of cell wall fit together as in a soap box. |
| 2. | They are the chief ‘producers’ in the oceans. |
| 3. | Their cell walls are embedded with silica. |
| 4. | Diatoms behave like heterotrophs when deprived of sunlight. |
Subtopic: Kingdom Protista: Chrysophytes |
91%
From NCERT
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Kingdom Protista has brought together Chlamydomonas, Chlorella with Paramoecium and Amoeba. On what basis were these organisms separated under previous classification systems?
1. Cell wall
2. Cell type
3. Body organisation
4. Mode of nutrition
1. Cell wall
2. Cell type
3. Body organisation
4. Mode of nutrition
Subtopic: Different Classification Systems |
58%
From NCERT
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Which of the following statements is incorrect regarding Mycoplasma?
| 1. | These organisms are naturally resistant to antibiotics that inhibit protein biosynthesis |
| 2. | These organisms are naturally resistant to antibiotics that target the cell wall |
| 3. | These organisms are naturally resistant to antibiotics that inhibit DNA replication |
| 4. | These organisms are naturally resistant to antibiotics that inhibit folic acid metabolism |
Subtopic: Kingdom Monera: Actinomycetes & Mycoplasma |
60%
From NCERT
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What is the correct order of the steps involved in the sexual cycle of organisms belonging to the Kingdom Fungi?
| 1. | Meiosis in zygote — Plasmogamy — Karyogamy |
| 2. | Karyogamy — Meiosis in zygote — Plasmogamy |
| 3. | Plasmogamy — Karyogamy — Meiosis in zygote |
| 4. | Karyogamy — Plasmogamy — Meiosis in zygote |
Subtopic: Kingdom Fungi: Sexual Reproduction in Fungi |
84%
From NCERT
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