Which of the following statements is correct? | vedclass

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(D) $1$. $Cycas$ has an unbranched stem, but $Cedrus$ has a branched stem. Thus, option $A$ is incorrect.$2$. Both $Selaginella$ and $Salvinia$ are he

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Ovules are not enclosed by ovary wall in gymnosperms.

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(D) $1$. $Cycas$ has an unbranched stem, but $Cedrus$ has a branched stem. Thus, option $A$ is incorrect.$2$. Both $Selaginella$ and $Salvinia$ are heterosporous. Thus, option $B$ is incorrect.$3$. Horsetails (Equisetum) are pteridophytes, not gymnosperms. Thus, option $C$ is incorrect.$4$. Gymnosperms are plants in which the ovules are not enclosed by any ovary wall and remain exposed, both before and after fertilization. Thus, option $D$ is correct.

Which of the following statements is $correct$?

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