Which of the Following Statements is True of the Pine

Question

Which of the following statements is true of the pine life cycle?
A)Fertilization produces a zygote and an endosperm.
B)The pine tree is a gametophyte.
C)Male and female gametophytes are in close proximity during gamete synthesis.
D)Conifer pollen grains contain male gametophytes.
E)Double fertilization is a relatively common phenomenon.

Accepted Answer

Conifer pollen grains contain male gametophytes, which will eventually form sperm nuclei. This is because conifers, like pine trees, belong to a group of plants known as gymnosperms, which have naked seeds that are not enclosed in fruit. In contrast, angiosperms, which are the more familiar group of flowering plants, have seeds that are enclosed in a fruit. In angiosperms, the male gametophyte is much smaller and is contained within the pollen grain. However, in gymnosperms, the entire male gametophyte is contained within the pollen grain.