A) Horsetails are gymnosperms
B) Selaginella is heterosporous, while Salvinia is homosporous
C) Ovules are not enclosed by ovary wall in gymnosperms
D) Stems are usually unbranched in both Cycas and Cedrus
Correct Answer: C
Solution :
? Gymnosperms have naked ovule. ? Called phanerogams without womb/ovary
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