A river with an inflow of domestic sewage rich in organic waste may result in

Which one of the following statements is not valid for aerosols?

Which of the following in sewage treatment removes suspended solids?

Which one of the following population interactions is widely used in medical science for the production of antibiotics?

Conversion of milk to curd improves its nutritional value by increasing the amount of

Which of the following is put into Anaerobic sludge digester for further sewage treatment?

The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are:

Montreal Protocol was signed in 1987 for control of:

Match the following columns and select the correct option.

Match List - I with List - II.

$\newline$Given below are two statements: $\newline$ $\newline$Statement I: In a scrubber, the exhaust from the thermal plant is passed through electric wires to charge the dust particles. $\newline$Statement II: Particulate matter (PM 2.5) cannot be removed by a scrubber but can be removed by an electrostatic precipitator. $\newline$ $\newline$In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements: $\newline$Statement I: Electrostatic precipitator is most widely used in thermal power plants. $\newline$Statement II: Electrostatic precipitator in thermal power plant removes ionising radiations. $\newline$Choose the correct answer from the options given below:$$