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Question
The group "Pteropsida" proposed by Oswald Tippo include
The group "Pteropsida" proposed by Oswald Tippo include
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Solution
The correct option is D All of the above
Oswald Tippo, University of Illinois 1942, classified plant kingdom into two sub-kingdom; Thallophyta (thalloid plant body without distinct alternation of generations and no embryo) and Embryophyta (organ level differentiation of plant body with regular alternation of sporophyte and gametophyte generations and embryo present). Sub-kingdom embryophyta includes Bryophyta (dominant gametophyte generation and absence of vascular tissues) and Tracheophyta (sporophyte dominant with advanced vascular tissues). Tracheophyta includes four subphyla, these are namely Psilosida, Lycopsida, Sphenopsida and Pteropsida. Pteropsida includes three classes: Filicinae (ferns), Gymnospermae (gymnosperms) and Angiospermae (angiosperms) which makes option D correct.
Oswald Tippo, University of Illinois 1942, classified plant kingdom into two sub-kingdom; Thallophyta (thalloid plant body without distinct alternation of generations and no embryo) and Embryophyta (organ level differentiation of plant body with regular alternation of sporophyte and gametophyte generations and embryo present). Sub-kingdom embryophyta includes Bryophyta (dominant gametophyte generation and absence of vascular tissues) and Tracheophyta (sporophyte dominant with advanced vascular tissues). Tracheophyta includes four subphyla, these are namely Psilosida, Lycopsida, Sphenopsida and Pteropsida. Pteropsida includes three classes: Filicinae (ferns), Gymnospermae (gymnosperms) and Angiospermae (angiosperms) which makes option D correct.
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