Topic: Plant kingdom: algae, bryophytes, pteridophytes, gymnosperms· Diversity in Living World

Which of the following statements is correct ?

1. Ovules are not enclosed by ovary wall in gymnosperms.

2. Horsetails are gymnosperms.

3. *Selaginella* is heterosporous, while *Salvinia* is homosporous.

4. Stems are usually unbranched in both *Cycas* and *Cedrus*.

Doubtly Asked 30 Oct 2026 NEET UG 2018 Practice test neet Save WhatsApp Report

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Answer: 1. Ovules are not enclosed by ovary wall in gymnosperms.

Gymnosperms are 'naked-seeded' plants, so their ovules lie exposed and are not covered by an ovary wall.

Option 2: horsetails (Equisetum) are pteridophytes. Option 3: both Selaginella and Salvinia are heterosporous, so calling Salvinia homosporous is wrong. Option 4: Cycas has an unbranched stem, but Cedrus is branched.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Which of the following statements is *correct* ?

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