Which of the following tracheophytes are leafless?
Correct answer: A. Psilopsida
- A. Psilopsida
- B. Lycopsida
- C. Sphenopsida
- D. Prteropsida
Explanation
Psilopsida, represented by Psilotum, has a simple leafless sporophyte with naked dichotomously branched stems. Lycopsida and Sphenopsida possess small leaves, while Pteropsida includes well-developed ferns with fronds, so students may incorrectly choose one of those groups.
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