AP BIOLOGY

PLANTS

PTERIDOPHYTES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following plants does not produce seed?
A
cycas
B
fern
C
pines
D
Gnetum sp
Explanation: 

Detailed explanation-1: -Ferns and moss are both examples of primitive plants. They are flowerless or seedless plants. Fern and Funaria both are flowerless and seedless.

Detailed explanation-2: -Ferns generally reproduce by producing spores. Similar to flowering plants, ferns have roots, stems and leaves. However, unlike flowering plants, ferns do not have flowers or seeds; instead, they usually reproduce sexually by tiny spores or sometimes can reproduce vegetatively, as exemplified by the walking fern.

Detailed explanation-3: -Plants such as ferns and mosses are called nonflowering plants and produce spores instead of seeds. There is also another group called the Fungi, that include mushrooms, and these also reproduce by spores.

Detailed explanation-4: -Mosses, Liverworts & Hornworts Additionally, bryophytes do not produce flowers and seeds. Instead, like ferns, they use spores to reproduce. Of the bryophytes, mosses are the most prevalent.

Detailed explanation-5: -All had fernlike foliage; however, they reproduced by seeds, with ovules and pollen organs attached to the fronds. Gamete-producing structures in the seeds were surrounded by a hard inner integument and a fleshy outer layer.

There is 1 question to complete.