SSC Delhi Police Head Constable (Ministerial) 2025 Mock Test (New) General Knowledge Ecology and Environment
Which of the following sentence is/are correct about crop rotation?
1. Crop rotation helps return nutrients to the soil without synthetic inputs.
2. Crop rotation is the pratice of planting different crop sequentially on the same plot of land to improve soil health.
3. Crop rotation deteriorates the soil structure as same nutrients are used time and time again.
1
1 and 2
2
3 only
3
1 and 3
4
1 only