Exam 22: Introduction to Seed Plants: Gymnosperms

Male pine cones commonly take four years to mature.

Edible or otherwise useful gymnosperms do not include

Conifers (Division Coniferophyta) date back to the

Welwitschia plants have trunks like palm trees.

Which of the following is NOT a gnetophyte?

After fertilization the integument of gymnosperms becomes

Living conifers (genus Pinus) are native to ________.

The specific cells of pines that develop into pollen grains are

Which statement about the nucellus is INCORRECT?

Which of the following groups of gymnosperms have vessels in their wood?

The Pacific Yew tree is a source of an anticancer drug called taxol.

Resin consists of turpentine and rosin.

Most of the pulpwood for paper today comes from pines.

Which of the following is NOT associated with conifers?

Conifer resins are a source of which of the following?

Western North America contains populations of the tallest, most massive, and oldest of the gymnosperms living. They are: ________.

Eastern white pine and bald cypress trees provided so many useful products that their populations were drastically reduced before the end of 19th century.

Which of the following is an aril?

The first plants to produce seeds looked very much like

In the life cycle of a typical conifer (e.g., a pine)