Exam 18: Gymnosperms

Each gymnosperm ovule usually produces several archegonia.

In a conifer seed, the three different generations are represented by the:

The longest-lived tree is:

A micropyle is a(n):

Palmlike gymnosperms belong to the phylum:

Seed plants evolved most directly from:

In pines, a megaspore mother cell divides to give rise to four ______, of which ______ disintegrate(s).

In pines, materials are conducted between the mesophyll and the vascular bundles via transfusion tissue.

The gymnosperms most closely resembling angiosperms belong to the phylum:

Which phylum is characterized by having coralloid roots?

The daughter cells produced by a microsporocyte are:

In pines, the generative cell of the male gametophyte divides to produce:

Which of the following is NOT a gymnosperm phylum?

With the evolution of the ovule, the unit of dispersal shifted from the megaspore to the:

Polyembryony is common in gymnosperms because a(n):

All seed plants are heterosporous.

The progymnosperms had characteristics intermediate between those of the ______ and those of the ______.

The tallest living plant belongs to the family Cupressaceae.

In Pinus, when the generative cell divides it produces one sterile cell and two spermatogenous cells.

In seed plants, the ______ is called the nucellus.