Question

Chemical fertilizers may get washed into water bodies through a process called:

• A. Manuring
• B. Drilling
• C. Sowing
• D. Leaching

Answer 1

The correct option is (D):

Explanation of the correct option:

1. ​The chemical fertilizers that are introduced in the agricultural land can enrich the soil with specific nutrients.
   
2. These chemical fertilizers can mix with the water that is used for irrigation.
   
3. The water is carried as agricultural runoff from the land into the water bodies and this process is called leaching of fertilizers from the soil.
   

Explanation of the incorrect options:

Option (A):

1. Manuring is the introduction of manure into the soil.
   
2. Manure is the organic material that can enrich the soil as it decomposes in the soil providing the required nutrients to the soil.
   

Option (B):

1. ​Drilling is the process of drilling the seed into the soil so that it goes deep inside the soil.
   
2. This is a mechanical process of sowing seeds in the soil.
   

Option (C):

1. Sowing the seed is a part of seeding the plants in the soil which can be done by spreading seed manually or through seed drilling.
   

Final Answer: Chemical fertilizers may get washed into water bodies through a process called leaching.