Which of the following will be the strongest argument in favour of the assertion that reproduction cannot be all inclusive defining characteristic of living organisms?
1. No non-living object is capable of reproducing or replicating by itself.
2. Organisms reproduce by asexual means also.
3. There are many organisms which do not reproduce.
4. In true regeneration, fragmented organism regenerates the lost parts of its body and becomes a new organism.
Subtopic: Reproduction as Criterion for Being Living (OLD NCERT) |
77%
From NCERT
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Consider the given two statements:
Statement I: Taxa can indicate categories at very different levels.
Statement II: Taxonomic groups/categories are not distinct biological entities but are merely morphological aggregates.
1. Statement I is correct and Statement II is also correct
2. Statement I is incorrect and Statement II is correct
3. Statement I is incorrect and Statement II is also incorrect
4. Statement I is correct and Statement II is incorrect
Statement I: Taxa can indicate categories at very different levels.
Statement II: Taxonomic groups/categories are not distinct biological entities but are merely morphological aggregates.
1. Statement I is correct and Statement II is also correct
2. Statement I is incorrect and Statement II is correct
3. Statement I is incorrect and Statement II is also incorrect
4. Statement I is correct and Statement II is incorrect
Subtopic: Taxonomy 1: Nomenclature | Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
52%
From NCERT
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If Mango is placed in the taxonomic category ‘Dicotyledonae’, the corresponding taxon in the classification of Housefly would be:
1. Arthropoda
2. Insecta
3. Diptera
4. Muscidae
1. Arthropoda
2. Insecta
3. Diptera
4. Muscidae
Subtopic: Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
66%
From NCERT
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In phylogenetic classification systems:
I. numbers and codes are given to all the observable characters and the data is then processed.
II. it is assumed that organisms belonging to the same taxa have a common ancestor.
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. numbers and codes are given to all the observable characters and the data is then processed.
II. it is assumed that organisms belonging to the same taxa have a common ancestor.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Taxonomy 1: Nomenclature | Systematics & Type study |
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Assertion (A) – In protists and monerans, cell division is itself a mode of reproduction.
Reason (R) – In these organisms, the parent cell divides to give rise to new individuals.
In the light of above statements, choose the correct answer from the options given below.
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) false
4. (A) is false but (R) is true
Reason (R) – In these organisms, the parent cell divides to give rise to new individuals.
In the light of above statements, choose the correct answer from the options given below.
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) false
4. (A) is false but (R) is true
Subtopic: Introduction & Growth as Criterion for Being Living (OLD NCERT) | Reproduction as Criterion for Being Living (OLD NCERT) |
86%
From NCERT
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The common characteristics between tomato and potato will be maximum at the level of their:
1. Family
2. Order
3. Division
4. Genus
1. Family
2. Order
3. Division
4. Genus
Subtopic: Taxonomy 3: From Family to Classification of Some Organisms |
From NCERT
NEET - 2013
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ICZN stands for:
1. Indian Code for Zoological Nomenclature
2. Indian Council for Zoological Nomenclature
3. International Code for Zoological Nomenclature
4. International Council for Zoological Nomenclature
1. Indian Code for Zoological Nomenclature
2. Indian Council for Zoological Nomenclature
3. International Code for Zoological Nomenclature
4. International Council for Zoological Nomenclature
Subtopic: Taxonomy 1: Nomenclature |
89%
From NCERT
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Assertion (A): In single-celled organisms, we are not very clear about the usage of these two terms – growth and reproduction.
Reason (R): In unicellular organisms like bacteria, unicellular algae, or Amoeba, growth is synonymous with reproduction, i.e., an increase in the mass of cells.
Reason (R): In unicellular organisms like bacteria, unicellular algae, or Amoeba, growth is synonymous with reproduction, i.e., an increase in the mass of 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: Introduction & Growth as Criterion for Being Living (OLD NCERT) |
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Assertion(A): Classification helps in studying all living organisms.
Reason(R): It groups the organisms into convenient categories based on some easily observable characteristics.
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.
Reason(R): It groups the organisms into convenient categories based on some easily observable characteristics.
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 |
85%
From NCERT
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Assertion(A): All categories together constitute the taxonomic hierarchy.
Reason(R): Category is a part of the overall taxonomic arrangement.
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.
Reason(R): Category is a part of the overall taxonomic arrangement.
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: Taxonomy 1: Nomenclature |
From NCERT
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