Angiosperms
1. What are angiosperms, the
flowering plants? What is the
main feature that
distinguishes them from the
gymnosperms?
2. What are the two main
groups into which flowering
plants are divided?
3. What are the main
morphological differences
between monocot plants and
dicot plants?
4. What are the androecium
and the gynoecium? What are
the other structures of
flowers?
5. What is pollination? What
are the main forms of
pollination?
6. How are themale
gametophytesand the male
gametes formed in
angiosperms?
7. How many cellular nuclei
does the pollen tube of
angiosperms have? What is
the ploidy of each of these
nuclei?
8. How is the female
gametophyte form edin
angiosperms?
9. What is the embryonic sac?
Which are the cells that form
the embryonic sac? What are
their ploidies?
10. After pollination how does
fecundation occur in
angiosperms?I n these plants
is fecundation dependent on
water?
11.What is the difference
between self pollination and
cross pollination? Which of
these two modes of
pollination contributes more
to the plant diversity?
12. What is dichogamy?
13. What are the typical
structures of the seed? What
is endosperm?
14. How different are the
endosperm of gymnosperms
and the endosperm of
angiosperms?
15. What are cotyledons?
16. What are the main
functions of fruits?
17. From which floral
structure do fruits come?
18. How are fruits formed?
19. Are fruits always the flesh
part of the “fruits” ? Is the
edible part of the onion a
fruit?
20. Why are there plants
having single-seeded fruits
and plants having fruits with
more than one seed?
21. What are infructescences,
pseudofruits and
parthenocarpic fruits?
22. What is the evolutionary
importance of the fruits for
the angiosperms?
23. What are the trends of the
gametophyte in the evolution
of plants?