Final answer:
Plants can reproduce sexually or asexually. The onion plant does not reproduce sexually.
Step-by-step explanation:
In biology, plants can reproduce sexually or asexually. Sexual reproduction involves the formation of seeds through the fusion of male and female gametes. Among the given options, the onion plant does not reproduce sexually. It reproduces asexually through bulb division, where new plants grow from the bulbs of the parent onion plant.
Learn more about Plant reproduction