Question

why land plants die if their roots remained in water logged for considerable time​

Answer 1

Explanation:

The roots present in the soil gets logged with waters and the air spaces of roots get filled with bubbles and decline the plants to respire and the plant dies.

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Answer 2

Explanation:

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A land plant may die if its roots remain water logged for a long time because too much water expels all the air from in-between the soil particles. Due to this, oxygen is not available to the roots for aerobic respiration. Under these conditions the roots will respire anaerobically producing alcohol which may kill the plant.

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