What is the artificial basis of classification?

(1) It is based on vegetative characters only

(2) It is based on few vegetative and reproductive characters

(3) It is based on only reproductive characters

(4) It is based on any random classification

Subtopic:  Classification System: I | Classification System: II | Classification System |
 83%
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Why are reproductive characters given more weightage during advanced classification?

(1) Vegetative characters are more or less constant over the generation

(2) Reproductive characters are less constant over the generation

(3) Vegetative characters are easy to get affected by environment

(4) Reproductive characters are more or less constant over the generation

Subtopic:  Classification System: I | Classification System: II | Classification System |
 73%
From NCERT
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George Bentham and Joseph Hooker gave the classification based on

(1) Artificial system

(2) Natural system

(3) Phlogenetics

(4) Numerical system

Subtopic:  Classification System: I | Classification System |
 86%
From NCERT
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Under natural system of classification which of the following cahracter is not considered?

(1) External features

(2) Phylogeny

(3) Anatomy, Embryology

(4) Phytochemistry

Subtopic:  Classification System: I | Classification System |
 58%
From NCERT
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If we want to know evolutionary relationships between organisms then which classification will resolve it :

(1) Artificial classification

(2) Natural classification

(3) Cytotaxonomy

(4) Phyogenetic classification

Subtopic:  Classification System: I | Classification System |
 94%
From NCERT
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In numerical taxonomy

(1) All the characters are given equal importance

(2) All the characters are given unequal importance

(3) And at the same time, hundreds of characters can be considered

(4) Both A and C

Subtopic:  Classification System: I | Classification System |
 93%
From NCERT
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Cytotaxonomy

(1) Based on cytological information like chromosome number

(2) Based on cytological information like chromosome structure

(3) Based on cytological information like chromosome behavior

(4) All of these

Subtopic:  Classification System: I | Classification System |
 95%
From NCERT
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Chemotaxonomy

(1) Chemical constituents of the plant

(2) Cell structure

(3) Phylogeny

(4) Embryology

Subtopic:  Classification System: I | Classification System |
 96%
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Algae can be found on

(1) Sloth bear

(2) Dog

(3) Camel

(4) Rabbit

Subtopic:  Algae |
 98%
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Which of the following is not correct with respect to Algae?

(1) Algae is in highly variable forms

(2) Colonial form of algae - Volvox

(3) Filamentous forms of algae - Ulothrix and Spirogyra

(4) Marine Forms - Kelps and small plant body

Subtopic:  Algae |
 78%
From NCERT
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