The soil pollutants that affect the food chain and food web by killing microorganisms and plants are:

Given below are two statements:
Statement $I:$ In a scrubber,the exhaust from the thermal plant is passed through a spray of water or lime to remove gases like $SO_2$.
Statement $II:$ Particulate matter $(PM\,2.5)$ cannot be removed by a scrubber but can be removed by an electrostatic precipitator.
In the light of the above statements,choose the most appropriate answer from the options given below:

The full form of $DDT$ is ..........

Spraying $DDT$ on crops causes pollution of .......

Disease aggravated by pollution is

Which of the following led to problems like waterlogging and soil salinity?