About 70% of living angiosperms have a(n) _______ type of megasporogenesis and megagametogenesis.
A) Amborella
B) Oenothera
C) Polygonum
D) Fritillaria
E) Lilium
Correct Answer:
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Q28: The innermost layer of the pollen sac
Q29: The process of double fertilization occurs:
A)only in
Q30: In the process of double fertilization, one
Q31: In the process of pollination, the:
A)anther dehisces,
Q32: In the most common pattern of embryo
Q34: _ are found at the chalazal end
Q35: _ mark the pathways of sperm cell
Q36: The mature megagametophyte consists of _ nuclei
Q37: Sporopollenin is the primary constituent of the:
A)integument.
B)nucellar
Q38: The mature female gametophyte is called a(n):
A)embryo
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