Multiple Choice
Once a pollen tube lands on a compatible stigma ____.
A) chemical cues guide the pollen tube from the stigma to the embryo sac of an ovule
B) that pollen tube continues on to another ovule
C) other pollen tubes are attracted to that ovule
D) other pollen tubes can penetrate that ovule more easily
E) the flower dies to prevent further pollination
Correct Answer:

Verified
Correct Answer:
Verified
Q13: The micropyle is _.<br>A) the mature male
Q14: A flower develops from the end of
Q15: The sepals of a flower make up
Q16: A flower with carpels and stamens but
Q17: The direction of expansion for a plant
Q19: Unlike in animal meiosis, meiosis in plants
Q20: Vegetative reproduction is rare in nature.
Q21: The male reproductive whorl of a flower
Q22: The structure between the carpel and stigma
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