Multiple Choice
Suppose that 100 pollen grains land on a stigma, and 50 mature seeds are formed in the fruit. What does this indicate about the pollination process and success?
A) 50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 50 polar nuclei
B) 50% success: evidently, only 50 sperm pollinated 50 anthers
C) 50% success: 100 pollen grains grew to 50 ovules, and double fertilization occurred
D) 50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 100 polar nuclei
Correct Answer:

Verified
Correct Answer:
Verified
Q9: The MONOPTEROS gene in Arabidopsis encodes a
Q11: Gardeners purchase packets of seeds that are
Q11: Charles Darwin experimented with reactions of grass
Q13: Which of the following correctly identifies the
Q13: If an ovary contains 50 ovules,what is
Q15: After double fertilization in angiosperms, what development
Q16: Within which structure does meiosis and spore
Q17: During self- fertilization, which of the following
Q18: The sperm and egg each contribute 50%
Q19: How are the life cycles of liverworts