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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: 100 pollen grains grew to 50 ovules, and double fertilization occurred. B. 50 % success: Evidently, only 50 sperm pollinated 50 anthers.
C. 50 % success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 50 polar nuclei. D. 50 % success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 100 polar nuclei.



Answer :

The correct is option (D)  50 % success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 100 polar nuclei.

Rapid water uptake by the seeds during the early stages of germination causes swelling and optimal temperature-induced softening of the seed coat. Imbibition is the name given to this phase. It When pollen grains from one flower's male component, the anther, are transferred to another flower's female component, the stigma, the process of pollination takes place. Following pollination, the fertilized flowers produce seeds that allow the companion plant to grow and/or produce fruit. There are numerous ways for pollination to take place, some of which do not require the help of another living thing.

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