Phylogenetic system of classification is based on:

1. evolutionary relationships

2. morphological features

3. chemical constituents

4. floral characters

Subtopic:  Classification System: I | Classification System: II | Classification System |
 95%
Level 1: 80%+
AIPMT - 2009
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The phenetic classification of organisms is based on:

1. The ancestral lineage of existing organisms
2. Dendrogram based on DNA characteristics
3. Sexual characteristics
4. Observable characteristics of existing organisms 
Subtopic:  Classification System: II | Classification System |
Level 3: 35%-60%
AIPMT - 2004
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