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Q.
Most primitive members in which roots are not present, is :
BHUBHU 2005Plant Kingdom
Solution:
Psilophytes are the oldest of seedless vascular plants. The plants are characterized by absence of roots and presence of rhizoids, e.g., Rhynia is The most primitive member of pteridophytes-Lycopodium and Selaginella are developed pteridophytes in which plant body is differentiated into roots, stems and leaves.