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Q. No.Consider the given two 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: | Taxonomists have been able to identify a vast majority of species present on Earth. |
| Statement II: | The number of species that are known and described range between 1.7-1.8 million. |
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: Taxonomy 1: Nomenclature | Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms | Diversity in the Living World |
From NCERT
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Consider the given two statements:
| I. | Living state and metabolism are synonymous. |
| II. | Cellular organization with metabolism is the defining feature of life. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct
Subtopic: Diversity in the Living World |
From NCERT
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Which of the following organisms are multiplied by fragmentation?
1. (i) and (ii)
2. (i), (ii) and (iii)
3. (ii) and (iii)
4. (i) and (iii)
| (i) | Filamentons fungi |
| (ii) | All algae |
| (iii) | Protonema of mosses |
2. (i), (ii) and (iii)
3. (ii) and (iii)
4. (i) and (iii)
Subtopic: Diversity in the Living World |
From NCERT
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Which of the following characters, are defining features
of all living organisms?
| (A) | Growth from inside |
| (B) | Sexual reproduction |
| (C) | Metabolism |
| (D) | Response to stimuli |
| (E) | Cellular organisation |
1. Only (C), (D) and (E)
2. Only (A) and (B)
3. Only (B), (C) and (D)
4. All except (B)
Subtopic: Diversity in the Living World |
58%
From NCERT
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| Assertion (A): | Properties of cellular organelles are not present in the molecular constituents of the organelle. |
| Reason (R): | Properties of tissues are present in the constituent cells. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Diversity in the Living World |
51%
From NCERT
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What aspect of Ernst Mayr’s contribution revolutionized the study of evolutionary biology?
| 1. | Introduction of genetic taxonomy as a new classification system. |
| 2. | Development of binomial nomenclature for universal acceptance. |
| 3. | Emphasis on the relationship between morphology and habitat. |
| 4. | Identification of species diversity as a central evolutionary question. |
Subtopic: Diversity in the Living World |
61%
From NCERT
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