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Q. No.RNA is the genetic material in:
I:
Tobacco Mosaic Virus
II:
QB Bacteriophage
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Virus, Viroids & Prions |
63%
From NCERT
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In which of the following groups of organisms do you expect to find the greatest metabolic diversity?
1. Fungi
2. Plants
3. Bacteria
4. Animals
1. Fungi
2. Plants
3. Bacteria
4. Animals
Subtopic: Kingdom Monera: Introduction |
82%
From NCERT
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Consider the given two statements.
| Statement I: | Morels and truffles belong to Ascomycetes. |
| Statement II: | Rusts and smuts belong to Basidiomycetes. |
2. Only 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: Ascomycetes | Kingdom Fungi: Basidomycetes |
89%
From NCERT
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Match each item in Column I with one in Column II and select your answer from the codes given below:
Codes:
| Column I | Column II | ||
| A. | Diatoms | a. | Protein rich layer pellicle |
| B. | Dinoflagellates | b. | Chief producers in oceans |
| C. | Euglenoids | c. | Spores with true walls |
| D. | Slime moulds | d. | Two flagella, one transverse and one longitudinal |
| A | B | C | D | |
| 1. | b | a | c | d |
| 2. | b | d | a | c |
| 3. | b | c | a | d |
| 4. | b | a | d | c |
Subtopic: Kingdom Protista: Chrysophytes | Kingdom Protista: Dinoflagellates | Kingdom Protista: Euglenoids | Kingdom Protista: Slime Moulds |
91%
From NCERT
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Which of the following statements is/are correct regarding Archaea?
| 1. | Archaea have a similar cell wall structure to bacteria. |
| 2. | Archaea are known for their ability to survive in extreme conditions. |
| 3. | Archaea contain peptidoglycan in their cell wall composition. |
| 4. | Archaea have membrane bound organelles. |
Subtopic: Kingdom Monera: Bacterial Classification |
94%
From NCERT
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In both ascomycetes and basidiomycetes,
A: A dikaryophase is seen in the sexual cycle.
B: Mycelium is branched and septate.
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.
A: A dikaryophase is seen in the sexual cycle.
B: Mycelium is branched and septate.
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 Fungi: Introduction | Kingdom Fungi: Ascomycetes | Kingdom Fungi: Basidomycetes |
86%
From NCERT
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How many of the given statements are correct?
1. 1
2. 2
3. 3
4. 4
| I: | Bacteria are prokaryotes. |
| II: | Compared to many other organisms, bacteria as a group show the most extensive metabolic diversity. |
| III: | No bacteria are autotrophic. |
| IV: | The vast majority of bacteria are heterotrophs. |
2. 2
3. 3
4. 4
Subtopic: Kingdom Monera: Bacterial Classification |
89%
From NCERT
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Which of the following statements correctly describes a feature unique to the fungi classified under the phylum Ascomycetes?
| 1. | They are predominantly aquatic fungi with flagellated zoospores. |
| 2. | They reproduce sexually through the formation of basidiospores. |
| 3. | They possess a dikaryotic stage in their life cycle. |
| 4. | Their spores are typically produced internally in a sac-like structure called an ascus. |
Subtopic: Kingdom Fungi: Ascomycetes |
61%
From NCERT
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Why are lichens considered excellent indicators of air pollution?
| 1. | They thrive in environments with high concentrations of nitrogen and sulphur compounds. |
| 2. | They are sensitive to airborne pollutants, which disrupt their symbiotic relationship. |
| 3. | They absorb heavy metals from the environment promoting their growth. |
| 4. | They can metabolize and break down organic pollutants in the air. |
Subtopic: Lichens |
88%
From NCERT
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Which of the following features is not a characteristic generally found in the fungi kingdom?
1. Cell walls made of cellulose
2. Heterotrophic mode of nutrition
3. Ability to reproduce sexually and asexually
4. Presence of chitin in cell walls
1. Cell walls made of cellulose
2. Heterotrophic mode of nutrition
3. Ability to reproduce sexually and asexually
4. Presence of chitin in cell walls
Subtopic: Kingdom Fungi: Introduction |
93%
From NCERT
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