A bunch of seeds was put in a large underground hole. After a sometime, only the seeds on the outside germinated while the seeds at the centre of the hole did not terminate. Why is that so?

The germination of seeds requires optimum temperature, oxygen and water availability. It is likely that when seeds are put in a large underground there is low oxygen availability for the seeds at the centre of the hole compared to those seeds that are on outside. As a result due to the lack of ideal conditions the seeds at the centre remain dormant and are hence unable to germinate.

Soumya Sri Pichuka

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Science Tutor • Primary

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