Given below is a list of microbes and their use as biofertilizer or biopesticide-
A. Mycobacterium laprae-phosphorus fixation
B. Nostoc-nitrogen fixation
C. Tuberculina maxima-white pine blister rust
D. Azotobactor-compost enhancement
E. Sphaerotheca fuliginea- cucumber powdery mildew
Choose the correct answer from the options below
1. A, B and C only
2. B, C and D only
3. C, D and E only
4. A, D and E only
Subtopic: Kingdom Monera: Introduction |
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The main criteria for Five Kingdom classification proposed by Whittaker are:
A. Thallus organization
B. Cell structure
C. Reproduction
D. Gram staining
E. Phylogenetic relationship
Choose the correct answer from the options given below
1. A, B, D only
2. B, C, E only
3. A, B, C, E only
4. D, E only
A. Thallus organization
B. Cell structure
C. Reproduction
D. Gram staining
E. Phylogenetic relationship
Choose the correct answer from the options given below
1. A, B, D only
2. B, C, E only
3. A, B, C, E only
4. D, E only
Subtopic: Different Classification Systems |
63%
From NCERT
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Mad cow disease in cattle and Cr Jacob disease in humans are due to infection by__________________ .
1. Bacterium
2. Virus
3. Viroid
4. Prion
1. Bacterium
2. Virus
3. Viroid
4. Prion
Subtopic: Virus, Viroids & Prions |
78%
From NCERT
NEET - 2022
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Carl Woese separated archaebacteria from eubacteria on the basis of major differences such as
(a) The occurrence of branched chain lipids in the membrane.
(b) Absence of peptidoglycan in the cell wall
(c) Chemoautotrophic and heterotrophic modes of nutrition
Choose the correct one(s).
1. (a) and (b)
2. (b) and (c)
3. (a) and (c)
4. All (a), (b) and (c)
(a) The occurrence of branched chain lipids in the membrane.
(b) Absence of peptidoglycan in the cell wall
(c) Chemoautotrophic and heterotrophic modes of nutrition
Choose the correct one(s).
1. (a) and (b)
2. (b) and (c)
3. (a) and (c)
4. All (a), (b) and (c)
Subtopic: Kingdom Monera: Bacterial Classification |
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Identify the wrong match:
1. Agaricus – Edible ascocarp
2. Gonyaulax – Flagellated protist
3. Colletotrichum – Lack of sexual spores
4. Slime mould – Phagotrophic
1. Agaricus – Edible ascocarp
2. Gonyaulax – Flagellated protist
3. Colletotrichum – Lack of sexual spores
4. Slime mould – Phagotrophic
Subtopic: Kingdom Fungi: Ascomycetes | Kingdom Fungi: Basidomycetes |
55%
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The causal agent of scrapie disease:
1. Is a proteinaceous particle
2. Has ss RNA
3. Is composed of protein and DNA
4. Is non-infectious to humans
1. Is a proteinaceous particle
2. Has ss RNA
3. Is composed of protein and DNA
4. Is non-infectious to humans
Subtopic: Virus, Viroids & Prions |
52%
From NCERT
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A protozoan without a locomotory structure is:
1. Entamoeba
2. Trypanosoma
3. Plasmodium
4. Paramecium
1. Entamoeba
2. Trypanosoma
3. Plasmodium
4. Paramecium
Subtopic: Kingdom Protista: Introduction | Protozoa |
62%
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Read the below-given features and select how many of them are true for Agaricus:
(a) Mycelium is branched and septate
(b) Sexual spores are produced inside an ascus
(c) Fruiting bodies are edible
(d) Lack of sex organs and sexual reproduction
1. 4
2. 3
3. 1
4. 2
(a) Mycelium is branched and septate
(b) Sexual spores are produced inside an ascus
(c) Fruiting bodies are edible
(d) Lack of sex organs and sexual reproduction
1. 4
2. 3
3. 1
4. 2
Subtopic: Kingdom Fungi: Basidomycetes |
From NCERT
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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 |
76%
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