Year: 2018
Topic: Plant Kingdom
Time :
1.
Which of the following statements is correct?
(1). Stems are usually unbranched in both Cycas and Cedrus.
(2). Horsetails are Gymnosperms.
(3). Selaginella is heterosporous, while Salvinia is homosporous.
(4). Ovules are not enclosed by ovary wall in Gymnosperms.