Which of the following statements is true for viroids?
1. They infect only plants and consist of double-stranded DNA enclosed by protein coat
2. They infect only animals and consist of single-stranded RNA enclosed by protein coat
3. They infect only animals and consist of double-stranded RNA enclosed by protein coat
4. They infect only plants and consist of single stranded RNA not enclosed by protein coat
Subtopic: Â Virus, Viroids & Prions |
 77%
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Subtopic: Â Virus, Viroids & Prions |
 91%
From NCERT
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Asexual spores are generally NOT found in
1. Ascomycetes
2. Basidiomycetes
3. Zygomycetes
4. Deuteromycetes
1. Ascomycetes
2. Basidiomycetes
3. Zygomycetes
4. Deuteromycetes
Subtopic: Â Kingdom Fungi: Basidomycetes |
 83%
From NCERT
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Subtopic: Â Kingdom Protista: Dinoflagellates |
 96%
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Given below are two statements:
Statement I: The majority of heterotrophic bacteria are decomposers
Statement II: Bacteria are the sole members of the kingdom Monera
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect
4. Statement I is incorrect but statement II is correct
Statement I: The majority of heterotrophic bacteria are decomposers
Statement II: Bacteria are the sole members of the kingdom Monera
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect
4. Statement I is incorrect but statement II is correct
Subtopic: Â Kingdom Monera: Introduction |Â Kingdom Monera: Bacterial Classification |
 88%
From NCERT
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Select all correct matches of disease and its causative agent
A. Leprosy-Mycobacterium bovis
B. Chancroid - Haemophilus ducreyi
C. Anthrax-Bacillus substilus
D. Food poisoning -Clostridium perfringens
E. Syphilis-Treponema pallidum
Choose the correct answer from the options given below
1. A, C and D only
2. B, D and E only
3. C, D and E only
4. A, B and D only
A. Leprosy-Mycobacterium bovis
B. Chancroid - Haemophilus ducreyi
C. Anthrax-Bacillus substilus
D. Food poisoning -Clostridium perfringens
E. Syphilis-Treponema pallidum
Choose the correct answer from the options given below
1. A, C and D only
2. B, D and E only
3. C, D and E only
4. A, B and D only
Subtopic: Â Kingdom Monera: Bacterial Life Process |Â Kingdom Monera: Bacterial Classification |
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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
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: Â 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: Â Different Classification Systems |
 62%
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: Â Virus, Viroids & Prions |
 78%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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: Â Kingdom Monera: Bacterial Classification |
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