Multiple Choice
Which of the following structures directly produces the fruit of angiosperms?
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36. Plant Reproduction
Flowers
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Which of the following plant structures most directly produces the pollen tube of angiosperms?
A
Ovule
B
Pollen grain
C
Anther
D
Stigma
Verified step by step guidance1
Understand the role of each structure listed in the options: Ovule, Pollen grain, Anther, and Stigma.
Recall that the pollen tube is a structure that grows from the pollen grain to facilitate the transfer of sperm cells to the ovule.
Identify the pollen grain as the structure that initiates the growth of the pollen tube upon landing on the stigma.
Recognize that the anther is responsible for producing pollen grains, but it does not directly produce the pollen tube.
Conclude that the pollen grain is the structure that most directly produces the pollen tube in angiosperms.
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