In flowering plants, onspernucleus fuses with that of an egg, ana zygotforms what develops into an embryo.Another spernucleus
A) fuses with a primary endosperm cell to produce three cells, each with one nucleus.
B) fuses with a primary endosperm cell to produce one cell with one triploid nucleus.
C) fuses with the diploid endosperm mother cell, forming a primary endosperm cell with a single triploid nucleus.
D) fuses with one of the smaller megaspores to produce what will eventually become the seed coat.
E) does none of these.
Correct Answer:
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Q16: Thmalpart of a flower is the
A)carpel.
B)stamen.
C)petal.
D)sepal.
E)receptacle.
Q17: Thcalyx is composeof
A)petals.
B)sepals.
C)stigmas.
D)ovules.
E)anthers.
Q18: Which of thfollowing is FALSE?
A)Flowers often exhibit
Q19: Thcalyx is composeof
A)petals.
B)sepals.
C)anthers.
D)carpels.
E)receptacle tissue.
Q20: Thfunction of flowers is to
A)provide beauty to
Q22: Thmegasporusually divides into how many nuclei beforfertilization?
A)2
B)4
C)8
D)16
E)32
Q23: Thplacwherpollination occurs is the
A)stigma.
B)micropyle.
C)anther.
D)receptacle.
E)style.
Q24: Counting thnumber of seeds in a fruit
Q25: Which teris defineby pollen reaching a receptivstigma?
A)double
Q26: Thegg is
A)diploid.
B)tetraploid.
C)polyploid.
D)triploid.
E)haploid.
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