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Gymnosperms and pteridophytes
Concepts tested here
- Motile sperms
All Questions
2012 AIPMT-PRE 1 question
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Cycas and Adiantum resemble each other in havingAdiantum is a fern (pteridophyte) with flagellated, motile sperms that need water to reach the egg.
Cycas, although a gymnosperm, also has large multiciliate motile sperms.
Adiantum has no seeds or cambium, and neither has vessels.