Question

Prolonged liberal irrigation of agricultural fields is likely to create the problem of

  (a) acidity

 (b) aridity

 (c) mental toxicity

 (d) salinity

Answer 1

Correct option (d) salinity

 Explanation:

 Prolonged liberal irrigation of agricultural fields create the problem of salinity. Since, all surface ground water contains salts to varying degrees, irrigation is the primary cause which brings salinity to the field.