The plants of which of the following phylum are also called arthrophytes?
a) Sub-Phylum Psilopsida
b) Sub-Phylum Lycopsida
c) Sub-Phylum Sphenopsida
d) Sub-Phylum Pteropsida
Explanation: because the stem is not smooth but has ridges
Which of the following phylum constitutes a group of the best known plants on the earth?
a) Sub-Phylum Psilopsida
b) Sub-Phylum Lycopsida
c) Sub-Phylum Sphenopsida
d) Sub-Phylum Pteropsida
Which of the following plants are present Sub-Phylum Pteropsida?
a) ferns
b) seed plants
c) club mosses
d) both a and b
Sub-Phylum Pterlopsida is a heterogeneous group, consisting of …..classes.
a) two
b) three
c) four
d) five
Explanation: 1. Filicineae,
2. Gymnospermae and 3. Angiospermae
The members of which of the following class/es of Sub-Phylum Pteropsida include/s ferns?
a) Filicineae
b) angiospermae
c) gymnospermae
d) both b and c
Which of the following plants have the prostrate plant body that bears numerous sporangia on the leaves called fronds?
a) angiosperms
b) gymnosperms
c) ferns
d) horse tails
Explanation: Ferns are vascular plants differing from lycophytes by having true leaves (megaphylls), which are often pinnate.
