Question

The over use of NPK fertilizers:

• A. increases the protein content of wheat, maize, grams, etc.
• B. the carbohydrate quality of such crops also becomes better
• C. reduce quantity of vegetables and crops grown on soil over the years
• D. Excess potassium content in soil increases Vitamin C and carotene content in vegetables and fruits

Answer 1

The correct option is C reduce quantity of vegetables and crops grown on soil over the years

The over use of NPK fertilizers reduce quantity of vegetables and crops grown on soil over the years. It also reduces the protein content of wheat, maize, grams, etc., grown on that soil. The carbohydrate quality of such crops also gets degraded. Excess potassium content in soil decreases
Vitamin C and carotene content in vegetables and fruits. The vegetables and fruits grown on overfertilized soil are more prone to attacks by insects and disease.