1. Write on both of the following:-
(i) the role of water in
elater function and fern sporangial opening
(ii) heterospory
2. Answer both parts:-
(i) Compare the life
cycles of a fern and Selaginella.
(ii) How did the seed habit
evolve?
3. " The different stages of the plant life cycle vary in their
dependance on water"
Discuss this statement in relation to a named
alga, a fern and Selaginella.
4. Compare Selaginella with a named fern.
5. Write an essay on the Pteridophytes.
6. Compare liverworts and ferns.
7. With the aid of diagrams, compare the gametophytes of pteridophytes and gymnosperms.