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

Subtopic:  Virus, Viroids & Prions |
 89%
From NCERT
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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
Subtopic:  Virus, Viroids & Prions |
 77%
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Given below is a schematic representation of the events in the life cycle of a fungus belonging to Basidiomycetes. Identify the correct statements:
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.
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic:  Kingdom Fungi: Basidomycetes |
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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
Subtopic:  Kingdom Fungi: Ascomycetes |
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Given below is a schematic representation of the events in the life cycle of Rhizopus. Find the correct match for A-D:
A B C D
1. Plasmogamy Karyogamy Meiosis Sporangia
2. Karyogamy Plasmogamy Meiosis Sporangia
3. Plasmogamy Karyogamy Mitosis Conidiophores
4. Karyogamy Plasmogamy Mitosis Conidiophores
Subtopic:  Kingdom Fungi: Sexual Reproduction in Fungi |
 82%
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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
Subtopic:  Kingdom Protista: Chrysophytes |
 67%
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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
 
Subtopic:  Kingdom Protista: Dinoflagellates |
 97%
From NCERT
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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
Subtopic:  Protozoa |
 75%
From NCERT
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Identify the correct statement regarding the given figure:
I: It shows Nostoc – a filamentous blue green alga.
II: The arrow shows specialised cell for fixing atmospheric nitrogen called heterocyst.
1. I is correct but II is incorrect
2. I is incorrect but II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Kingdom Monera: Bacterial Classification |
 91%
From NCERT
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Identify the Viruses A and B in the given diagram:
     
A B
1. SarsCoV2 HIV
2. HIV SarsCoV2
3. HSV 1 HSV 2
4. HBV HAV
Subtopic:  Virus, Viroids & Prions |
 78%
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