Which of the following are the pioneer group to develop true roots and true leaves,
Correct answer: C. Pteropsida
- A. Psilopsida
- B. Sphenopsida
- C. Pteropsida
- D. Lycopsida
Explanation
Among the options given, the pioneer group to develop true roots and true leaves is Pteropsida.Pteropsida: This group includes ferns, which have true roots, stems, and leaves, making them the pioneers in developing all three structures.Therefore, Pteropsida is the correct option as it represents the group that has true roots and true leaves. Psilopsida lacks true roots and leaves, Sphenopsida has reduced and scale-like leaves, and Lycopsida has small and scale-like leaves as well.
This question appeared on the ETEA MDCAT 2009 paper, which you can sit online with every answer explained.
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About Kingdom Plantae
Plants are multicellular, photosynthetic eukaryotes with cellulose cell walls, chloroplasts and large vacuoles. Coverage includes alternation of generations, vascular and non-vascular plants, seedless and seed-producing groups, gymnosperms and angiosperms, and the distinction between monocot and dicot features.
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