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Q. No.Match the following protozoa with their respective characteristics:
Column I
Column II
A.
Amoeba
i.
Causes sleeping sickness
B.
Paramecium
ii.
Has pseudopodia
C.
Trypanosoma
iii.
Possesses cilia
D.
Plasmodium
iv.
Causes malaria
1.
A-ii, B-iii, C-i, D-iv
2.
A-i, B-ii, C-iii, D-iv
3.
A-iii, B-iv, C-i, D-ii
4.
A-iv, B-i, C-ii, D-iii
Subtopic: Protozoa |
97%
From NCERT
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Which of the following statements about chemosynthetic autotrophic bacteria is true?
| 1. | They utilize sunlight to produce organic compounds from carbon dioxide. |
| 2. | They convert nitrogen in the atmosphere into ammonia. |
| 3. | They obtain energy through the oxidation of inorganic substances to fix carbon dioxide. |
| 4. | They are primarily found in hydrothermal vents and do not require oxygen for survival. |
Subtopic: Kingdom Monera: Bacterial Classification |
61%
From NCERT
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Match the following examples of fungal classes with their characteristics as given in NCERT:
Codes:
| Column I | Column II | ||
| A | Ascomycetes | P | Club-shaped reproductive structure |
| B | Basidiomycetes | Q | Sexual spores borne internally in sacs |
| C | Phycomycetes | R | Includes Mucor and Rhizopus |
| D | Deuteromycetes | S | Known for lacking sexual reproduction |
| A | B | C | D | |
| 1. | Q | R | S | P |
| 2. | P | Q | R | S |
| 3. | Q | P | R | S |
| 4. | S | P | Q | R |
Subtopic: Kingdom Fungi: Deuteromycetes | Kingdom Fungi: Ascomycetes | Kingdom Fungi: Basidomycetes |
85%
From NCERT
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What is a key difference between Archaebacteria and Eubacteria?
| 1. | Archaebacteria have peptidoglycan in their cell walls, while Eubacteria do not. |
| 2. | Archaebacteria are typically found in extreme environments, whereas Eubacteria are found in more diverse environments. |
| 3. | Eubacteria are prokaryotes, and Archaebacteria are eukaryotes. |
| 4. | Eubacteria reproduce sexually, while Archaebacteria reproduce asexually. |
Subtopic: Kingdom Monera: Bacterial Classification |
80%
From NCERT
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Match Scientists in Column I with their contribution in the field of virology given in Column II and select your answer from the codes given below:
Codes:
| Column I | Column II | ||
| A | D. J. Ivanowsky | a | Recognized tobacco mosaic is caused by microbes smaller than bacteria |
| B | M. W. Beijerinck | b | Demonstrated extract of infected tobacco plants could cause infection in healthy plants |
| C | W. M. Stanley | c | Showed that viruses could be crystallized |
Codes:
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | b | a |
Subtopic: Virus, Viroids & Prions |
72%
From NCERT
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Consider the given statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | When deprived of sunlight, euglenoids behave like heterotrophs. |
| Statement II: | During unfavorable conditions, slime moulds form plasmodium. |
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Kingdom Protista: Euglenoids | Kingdom Protista: Slime Moulds |
65%
From NCERT
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Archaebacteria do not include:
1. Halophiles
2. Thermoacidophiles
3. Methanogens
4. Blue green algae
1. Halophiles
2. Thermoacidophiles
3. Methanogens
4. Blue green algae
Subtopic: Kingdom Monera: Bacterial Classification |
98%
From NCERT
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Identify the incorrect match:
1. Phycomycetes: Rhizopus, Mucor
2. Ascomycetes: Penicillium, Saccharomyces
3. Basidiomycetes: Neurospora, Claviceps
4. Deuteromycetes: Alternaria, Trichoderma
1. Phycomycetes: Rhizopus, Mucor
2. Ascomycetes: Penicillium, Saccharomyces
3. Basidiomycetes: Neurospora, Claviceps
4. Deuteromycetes: Alternaria, Trichoderma
Subtopic: Kingdom Fungi: Ascomycetes | Kingdom Fungi: Basidomycetes |
92%
From NCERT
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What would be true for both eubacteria and archaebacteria?
| A: | Both are prokaryotes |
| B: | Both have similar structure of cell wall |
1. Only A is correct
2. Only B is correct
3. Both A and B are correct
4. Both A and B are incorrect
Subtopic: Kingdom Monera: Introduction | Kingdom Monera: Bacterial Classification |
88%
From NCERT
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What would be true regarding the comparison of a virus and a viroid?
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Protein coat is absent in a viroid but is present in a virus |
| II: | Low molecular weight RNA is present in a virus but is absent in a viroid |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Virus, Viroids & Prions |
87%
From NCERT
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