16. Which group of gymnosperms is characterized by their fan-shaped leaves?
a) Cycads
b) Gnetophytes
c) Ginkgoes
d) Conifers
Answer: c) Ginkgoes
17. The group of gymnosperms that includes Ephedra and Welwitschia is called:
a) Cycads
b) Gnetophytes
c) Ginkgoes
d) Conifers
Answer: b) Gnetophytes
18. The reproductive structures in gymnosperms are called:
a) Flowers
b) Fruits
c) Cones or strobili
d) Ovules
Answer: c) Cones or strobili
19. Which of the following is not a type of pteridophyte?
a) Fern
b) Horsetail
c) Lycophyte
d) Conifer
Answer: d) Conifer
20. The leaves of pteridophytes are called:
a) Stems
b) Fronds
c) Roots
d) Bulbs
Answer: b) Fronds