Consider the given two statements:
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 |
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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
Subtopic:  Taxonomy 1: Nomenclature | Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
 53%
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Consider the following statements about taxonomic categories and identify the option which correctly interprets these statements:
Statement I: Family is a higher category than Genus. 
Statement II: Species within the same genus have a few characteristics in common but differ significantly in their genetic makeup. 
Statement III: Organisms belonging to the same family would be more similar to each other than those in the same order.
1. Only Statement I and Statement III are correct. 
2. Only Statement I and Statement II are correct. 
3. All statements are correct. 
4. Only Statement I is correct.
Subtopic:  Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
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Given below are two statements 
Statement I: All organisms, from prokaryotes to the most complex eukaryotes can sense to environmental cues 
Statement II: Order and other higher taxonomic categories are not identified based on the aggregates of characters. It is the assemblage of genera which exhibit few similar characters. 
In 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:  Taxonomy 2: Classification up to Genus |
 56%
From NCERT
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Which of the following is an incorrect statement?

1. All organisms are aware of their surroundings
2. Biological concept of species is applicable to all existing organisms
3. Cellular organisation of the body is defining feature of life forms
4. Solanum and Brassica are polytypic genera
Subtopic:  Taxonomy 2: Classification up to Genus |
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Which of the following is incorrect with respect to taxonomic categories?

1. Among seven obligate categories, only four categories were contributed by Linnaeus
2. Polymoniales has correlated families like Convolvulaceae and Solanaceae
3. Family represents the group of closely related genera
4. Sub species or variety can be treated as lowest unit of classification
Subtopic:  Taxonomy 2: Classification up to Genus |
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The lowest category of plants that is characterised on the basis of both vegetative and reproductive features is 
1. Genus 
2. Species 
3. Class 
4. Family 
Subtopic:  Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
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Consider the given statements:
I: Lion, leopard and tiger belong to the same species
II: Lion, leopard, tiger and cats belong to same genus
III: Lion, leopard, tiger, cats and dogs belong to same family
 
1. Only III is correct 2. Only II is correct
3. Only I is incorrect 4. I, II and III are incorrect
Subtopic:  Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
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"Canis sp." means:
1. an unspecified species of the genus Canis
2. two or more species of the genus Canis
3. an unspecified sub-species of the genus Canis
4. two or more sub-species of the genus Canis

Subtopic:  Taxonomy 2: Classification up to Genus |
 53%
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