The figure shows potato affected by certain disease. The affected plants are stunted, tubers may be small, elongated, cylindrical, spindle or dumb-bell-shaped, with prominent eyes evenly distributed over the tuber, and cracking. What will be true for the given figure?
I: | The disease is Potato Spindle Tuber Disease. |
II: | It is caused by a pathogen that is high molecular weight double stranded RNA. |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |
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The given figure shows: a normally folded protein [A] and a misfolded protein [B]. What will be correct?
I: | Prions are misfolded proteins that have the ability to transmit their misfolded shape onto normal variants of the same protein. |
II: | Prions cause scrapie in sheep, bovine spongiform encephalopathy (BSE) in cattle (commonly known as "mad cow disease") and Creutzfeldt–Jakob disease (CJD) in humans. |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |
Statement I: | A is karyogamy; B is plasmogamy and C is meiosis. |
Statement II: | Though not shown in the figure the fungi belonging to this class reproduced extensively by asexual methods involving conidia. |
Given below is a schematic representation of the events in the life cycle of a fungus belonging to Ascomycetes. Identify A-E:
1. | A: Sporangiophore B: Sporangia C: Ascocarp D: 4 Ascospores E: Ascogonium |
2. | A: Sporangiophore B: Sporangia C: Ascocarp D: 8 Ascospores E: Ascogonium |
3. | A: Conidiophore B: Conidia C: Ascogonium D: 4 Ascospores E: Ascocarp |
4. | A: Conidiophore B: Conidia C: Ascogonium D: 8 Ascospores E: Ascocarp |
A | B | C | D | |
1. | Plasmogamy | Karyogamy | Meiosis | Sporangia |
2. | Karyogamy | Plasmogamy | Meiosis | Sporangia |
3. | Plasmogamy | Karyogamy | Mitosis | Conidiophores |
4. | Karyogamy | Plasmogamy | Mitosis | Conidiophores |
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The given figure shows the architecture of the cell wall of:
1. Archaebacteria 2. Gram positive bacteria 3. Diatoms 4. Dinoflagellates |
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The given figure shows an organism capable of causing ret tides in water bodies that adversely affect the aquatic life. This organism can be:
1. Ctenoplana 2. Gonyaulax 3. Pennatula 4. Gorgonia |
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What would be true for the pathogen seen in the given slide of peripheral blood from a patient suffering from a certain disease?
I: The pathogen is Trypanosoma brucei gambiense.
II: It causes African Sleeping Sickness.
III: It is an amoeboid protozoan.
1. Only I and II 2. Only I and III 3. Only II and III 4. I, II and III |
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I: | It shows Nostoc – a filamentous blue green alga. |
II: | The arrow shows specialised cell for fixing atmospheric nitrogen called heterocyst. |
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A | B | |
1. | SarsCoV2 | HIV |
2. | HIV | SarsCoV2 |
3. | HSV 1 | HSV 2 |
4. | HBV | HAV |