Question

Which of the following is the major soil pollutant?

• A. Radioactive waste
• B. Pesticides
• C. Nitrates
• D. Dioxins

Hint:

Pesticides are the most common soil pollutants due to their widespread agricultural use and persistence.

Answer 1

The Correct Option is B

Concept: Soil pollution is mainly caused by chemicals introduced through agricultural and industrial activities. Step 1:Identify the major contributor.
Pesticides are widely used in agriculture and:

• Accumulate in soil
• Persist for long periods
• Harm microorganisms and soil fertility

Step 2:Evaluate other options.}

• Radioactive waste $\rightarrow$ Rare and localized
• Nitrates $\rightarrow$ Nutrients, but excess causes pollution (less major)
• Dioxins $\rightarrow$ Toxic but not as widespread as pesticides

Final Answer: \[ {\text{Pesticides}} \]