6. The group of gymnosperms that includes pines, firs, and spruces is called:
a) Cycads
b) Gnetophytes
c) Ginkgoes
d) Conifers
Answer: d) Conifers
7. Gymnosperms are characterized by:
a) Having seeds enclosed in fruits
b) Being flowerless plants
c) Having true leaves, stems, and roots
d) All of the above
Answer: b) Being flowerless plants
8. The male reproductive structure in gymnosperms is called:
a) Stamen
b) Carpel
c) Ovule
d) Pollen cone
Answer: d) Pollen cone
9. The female reproductive structure in gymnosperms is called:
a) Stamen
b) Carpel
c) Ovule
d) Pollen cone
Answer: c) Ovule
10. Which of the following is not a gymnosperm?
a) Pine tree
b) Ginkgo tree
c) Cycad tree
d) Fern
Answer: d) Fern