Angiosperm Flashcards
1
Q
into what the ovule mature
A
seed
2
Q
what in the carpel
A
surround the seed and mature into fruit
3
Q
what are the major particularity of a monocotyledon and dicotyledon (3 each)
A
Leaf in 3
parallele leaf venation
pollen have one pore
Leaf in 4
net like venation
pollen have 3 pores
4
Q
What is the nucellus
A
sporangium in the ovule
5
Q
How the ovule in attached in the ovary
A
by the placenta
6
Q
What is contain in the embryo sac
A
8 nuclei 7 cell (2 antipodal, 2 synergid, 1 centrall cell, 1 egg cell)
7
Q
from what consist the anther
A
4 polen sac
8
Q
How the pollen is divided
A
2 spem nuclei and 1 tube nucleus
9
Q
What is Exin
A
The outer layer of pollen made of sporopellenin
10
Q
What is Intine
A
Inner wall of pollen made of cellulose and pectin
11
Q
what happens at the germination of legumes
A
cotyledon grow large and use all endosperm