NEETBiologyPlant KingdomMCQ+4 / −1
Which of the following statements is correct?
- ASelaginella is heterosporous, while Salvinia is homosporous.
- BStems are usually unbranched in both Cycas and Cedrus
- COvules are not enclosed by ovary wall in gymnosperms
- DHorsetails are gymnosperms
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Correct answer: C
• The gymnosperms are a group of seedproducing plants. The name is based on
the unenclosed condition of their seeds
(called ovules in their unfertilized state)
• Horsetail /snake grass/puzzle grass is equisetum (a pteridophyte), a living fossil.
• Majority of pteridophytes are homosporous and few are heterosporous like Selaginella, Salvinia and Marsilea.
• The stems in Cycas is unbranched and in Pinus and Cedrus is branched.
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