AP BIOLOGY

PLANTS

CLASSIFICATION OF PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Plants that produce seeds formed by cones or cone-like structures are classified as
A
gymnosperms
B
angiosperms
C
bryophytes
D
nonvascular
Explanation: 

Detailed explanation-1: -gymnosperm, any vascular plant that reproduces by means of an exposed seed, or ovule-unlike angiosperms, or flowering plants, whose seeds are enclosed by mature ovaries, or fruits. The seeds of many gymnosperms (literally, “naked seeds”) are borne in cones and are not visible until maturity.

Detailed explanation-2: -Gymnosperm is a seed-producing plant that includes conifers, cycads, gnetophytes and ginkgos. They do not produce flowers or fruits and have naked seeds.

Detailed explanation-3: -Most gymnosperms produce seeds in structures called cones or strobili (singular strobilus; Figure 8.1. 2). Cones evolved from modified leaves, and they can either be male cones that produce pollen, or female cones that produce ovules.

Detailed explanation-4: -Gymnosperms. These seed plants do not have flowers or fruit-their seeds are held in cones. Next time you pick up a pine cone, look for loose seeds inside. Male cones make pollen, which is carried to female cones by the wind.

Detailed explanation-5: -The word conifer means “cone-bearer, ” a distinct characteristic common to conifers. Cones house the male and female reproductive structures of conifers. Most conifers are monoecious, meaning that both male and female cones can be found on the same tree.

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