Plants die from prolonged water logging because:
Correct answer: B. Root respiration stops
- A. Soil nutrients become very dilute
- B. Root respiration stops
- C. Nutrients leach down due to excessive water
- D. Cell sap in plant becomes too dilute
Explanation
Waterlogging fills soil pores and displaces oxygen, so roots cannot respire aerobically and eventually die. Nutrient dilution or leaching may occur, but oxygen deficiency is the immediate cause.
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