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Question
How are the male and female gametophytes of pteridophytes and gymnosperms different from each other?
Solution
Male and female gametophytes of pteridophytes are free-living while in gymnosperms male and female gametophytes do not have free-living existence. They remain within the sporangia retained on sporophytes
| Pteridophytes | Gymnosperms |
| (i) Flagellated male gamete | (a) Non-flagellated male gamete |
| (ii) Water is essential for fertilisation | (b) Water is not essential |
| (iii) Pollen tubes are not formed | (c) Pollen tubes are formed |
| (iv) Archegonia with neck canal cells | (d) Neck canal cells are absent |
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