Which of the
following is/are the characteristic/s of gametophyte generation of ferns?
a) it is small
b) photosynthetically independent
c) it is heart shaped
d) all of these
In ferns, the sex organs antheridia and archegonia are produced on the…….of gametophyte.
a) upper surface
b) under surface
c) on either side
d) all of these
The class filicieae (ferns) comprises nearly………species.
a) 1000
b) 2000
c) 10000
d) 20000
Class filicinae belongs to phylum……..
a) tracheophyta
b) thallophyta
c) bryophyte
d) embryophyta
Which of the following is/are the example/s of class filicineae?
a) Adiantum
b) Pteris and Dryopteris
c) pteridium
d) all of these
Which of the following is/are the primary function/s of leaf in plants?
a) photosynthesis
b) transpiration
c) respiration
d) all of these
Explanation: the primitive vascular plants lacked leaves. The evolution of leaf resulted in efficient photosynthesis