Q. Which of the following statements is correct ?
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 $Cedrus$.
Explanation
[Solution] Gymnosperms have naked ovules. Horsetails are pteridophytes, $Salvinia$ is heterosporous, and $Cedrus$ is branched. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.